| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 3.7L (225") 6-Cyl. 2-Bbl. | (2) PCV, (3) AIS | — |
| 5.0L (300") V8 2-Bbl. | (2) PCV, (3) AIS | — |
| 5.6L (340") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 6.6L (424") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 7.0L (425") V8 4-Bbl. (4) | (2) PCV, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 3 vented (Federal); Type 4 closed (Calif.). (3) California only. (4) A/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 3 vented (Federal); Type 4 closed (Calif.). |
1966 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.0L (429") V8 4-Bbl. | (2) PCV, (3) AP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed (California); Type 1 vented (Federal). (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 4 closed (California); Type 1 vented (Federal). |
1966 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.4L (327") V8 4-Bbl. | PCV, (2) AIS | — |
| 7.0L (427") V8 4-Bbl. | PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) California emissions only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | California emissions only. |
1966 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.5L (153") 4-Cyl. 1-Bbl. | (2) PCV | — |
| 2.7L (164") 6-Cyl. 2x1-Bbl. | (2) PCV, (3) AIS | — |
| 2.7L (164") 6-Cyl. 4x1-Bbl. | (2) PCV, (3) AIS | — |
| 3.2L (194") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 4.6L (283") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS | — |
| 5.4L (327") V8 4-Bbl. | (2) PCV, SPK, (3) AIS | — |
| 6.5L (396") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 7.0L (427") V8 4-Bbl. | (2) PCV, SPK, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 1 vented; Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 1 vented; Type 4 closed. |
1966 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 5.4L (33") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 7.0L (425") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1966 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) (3) PCV, (4) AIS | — |
| 3.8L (230") 6-Cyl. 4-Bbl. | (2) (3) PCV | — |
| 5.3L (326") V8 2-Bbl. | (2) (3) PCV, (4) AIS | — |
| 5.3L (326") V8 4-Bbl. | (2) (3) PCV, (4) AIS | — |
| 6.4L (389") V8 2-Bbl. | (2) (3) PCV, (4) AIS | — |
| 6.4L (389") V8 3x2-Bbl. | (2) (3) PCV | — |
| 6.4L (389") V8 4-Bbl. | (2) (3) PCV, (4) AIS | — |
| 6.9L (421") V8 3x2-Bbl. | (2) (3) PCV | — |
| 6.9L (421") V8 4-Bbl. | (2) (3) PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 3 vented (Federal). (3) Type 4 closed. (4) California A/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 3 vented (Federal). |
1966 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Models (Carb.) (2) | PCV, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (3) Light duty California only (6000 GVWR or less). |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (3) | Light duty California only (6000 GVWR or less). |
1966 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1966 Class "A" Motor Homes
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 3.7L (225") 6-Cyl. 2-Bbl. | (2) PCV, (3) AIS | — |
| 5.0L (300") V8 2-Bbl. | (2) PCV, (3) AIS | — |
| 5.6L (340") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 6.6L (424") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 7.0L (425") V8 4-Bbl. (4) | (2) PCV, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 3 vented (Federal); Type 4 closed (Calif.). (3) California only. (4) A/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 3 vented (Federal); Type 4 closed (Calif.). |
1967 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.0L (429") V8 4-Bbl. | (2) PCV, (3) AP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed (California); Type 1 vented (Federal). (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 4 closed (California); Type 1 vented (Federal). |
1967 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.4L (327") V8 4-Bbl. | PCV, (2) AIS | — |
| 7.0L (427") V8 3x2-Bbl. | PCV, (3) SPK, (2) AIS | — |
| 7.0L (427") V8 4-Bbl. | PCV, (2) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) California emissions only. (3) If equipped with factory multiple carburetors. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | California emissions only. |
| (3) | If equipped with factory multiple carburetors. |
1967 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.5L (153") 4-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 2.7L (164") 6-Cyl. 2x1-Bbl. | (2) PCV, (3) AIS | — |
| 2.7L (164") 6-Cyl. 4x1-Bbl. | (2) PCV, (3) AIS | — |
| 3.2L (194") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 4.6L (283") V8 2-Bbl. | (2) PCV, (3) AIS | — |
| 5.4L (327") V8 2-Bbl. | (2) PCV, (3) AIS | — |
| 5.4L (327") V8 4-Bbl. | (2) PCV, SPK, (3) AIS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 6.5L (396") V8 4-Bbl. | (2) PCV, (3) AIS | — |
| 7.0L (427") V8 3x2-Bbl. | (2) PCV, SPK, (3) AIS | — |
| 7.0L (427") V8 4-Bbl. | (2) PCV, SPK, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 1 vented; Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 1 vented; Type 4 closed. |
1967 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) AIS | — |
| 5.4L (330") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS CCS | — |
| 6.5L (400") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS CCS | — |
| 7.0L (425") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) AIS CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1967 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) (3) PCV, (4) SPK, (5) AIS | — |
| 3.8L (230") 6-Cyl. 4-Bbl. | (2) (3) PCV, (4) SPK, (5) AIS | — |
| 5.3L (326") V8 2-Bbl. | (2) (3) PCV, (4) SPK, (5) AIS | — |
| 5.3L (326") V8 4-Bbl. | (2) (3) PCV, (4) SPK, (5) AIS | — |
| 6.5L (400") V8 2-Bbl. (6) | (2) (3) PCV, (4) SPK, (5) (7) AIS (8) CCS | — |
| 6.5L (400") V8 2-Bbl. (9) | (2) (3) PCV, (4) SPK, (5) (7) AIS | — |
| 6.5L (400") V8 4-Bbl. | (2) (3) PCV, (4) SPK, (5) (7) AIS | — |
| 7.0L (428") V8 4-Bbl. | (2) (3) PCV, (4) SPK, (5) (7) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 3 vented (Federal). (3) Type 4 closed. (4) Some models. (5) California only. (6) A/T only. (7) 255 HP engines with A/C. (8) Except Tempest. (9) M/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 3 vented (Federal). |
| (7) | 255 HP engines with A/C. |
1967 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Models (Carb.) (2) | PCV, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (3) Light duty California only (6000 GVWR or less). |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (3) | Light duty California only (6000 GVWR or less). |
1967 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1967 Class "A" Motor Homes
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.0L (250") 6-Cyl. 1-Bbl. | PCV, (2) ACL, SPK CCS | — |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | PCV, ACL, SPK CCS | — |
| 6.5L (400") V8 4-Bbl. | PCV, ACL, SPK CCS | — |
| 7.0L (430") V8 4-Bbl. | PCV, ACL, SPK CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) A/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1968 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, AP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1968 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.4L (327") V8 4-Bbl. | PCV, (2) AIS | — |
| 7.0L (427") V8 3x2Bbl. | PCV, (3) SPK, (2) AIS | — |
| 7.0L (427") V8 4-Bbl. | PCV, (2) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) M/T only. (3) If equipped with factory multiple carburetors. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | If equipped with factory multiple carburetors. |
1968 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.5L (153") 4-Cyl. 1-Bbl. | (2) PCV, AIS | — |
| 2.7L (164") 6-Cyl. 2x1-Bbl. | (3) PCV, AIS | — |
| 2.7L (164") 6-Cyl. 4x1-Bbl. | (3) PCV, AIS | — |
| 3.8L (230") 6-Cyl. 1-Bbl. (4) | (2) PCV, (5) AIS | — |
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (5) AIS (6) CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. (4) | (2) PCV, (5) AIS (6) CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. (6) | (2) PCV, ACL, (5) AIS (6) CCS | — |
| 5.0L (302") V8 4-Bbl. (4) | (2) PCV, AIS | — |
| 5.0L (307") V8 2-Bbl. (4) | (2) PCV, AIS | — |
| 5.0L (307") V8 2-Bbl. (6) | (2) PCV, ACL CCS | — |
| 5.4L (327") V8 2-Bbl. (4) | (2) PCV, AIS | — |
| 5.4L (327") V8 2-Bbl. | (2) PCV, (6) ACL, (5) AIS CCS | — |
| 5.4L (327") 4-Bbl. (3) | (2) PCV, SPK, (5) AIS | — |
| 5.4L (327") V8 4-Bbl. (4) | (2) PCV, AIS (6) CCS | — |
| 5.4L (327") V8 4-Bbl. (6) | (2) PCV, (6) ACL (6) CCS | — |
| 5.7L (350") V8 4-Bbl. (4) | (2) PCV, (5) AIS (6) CCS | — |
| 5.7L (350") 4-Bbl. (6) | (2) PCV, (6) ACL, (5) AIS (6) CCS | — |
| 6.5L (396") V8 4-Bbl. (4) | (2) PCV, (5) AIS (6) (7) CCS | — |
| 6.5L (396") V8 4-Bbl. (6) | (2) PCV, ACL, (5) AIS (6) (7) CCS | — |
| 7.0L (427") V8 3x2-Bbl. | (2) PCV, SPK, (5) AIS | — |
| 7.0L (427") V8 4-Bbl. | (2) PCV, SPK, (5) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) Type 1 vented; Type 4 closed. (4) M/T & open element air cleaner. (5) California only. (6) A/T, except open element air cleaner. (7) Except Camaro & Nova. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | Type 1 vented; Type 4 closed. |
| (4) | M/T & open element air cleaner. |
| (6) | A/T, except open element air cleaner. |
1968 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| 6.5L (400") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| 7.5L (455") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1968 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 4.2L (250") 6-Cyl. 4-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 6.5L (400") V8 2-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 7.0L (428") V8 4-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1968 Pontiac (Domestic Cars)
| Engine & Fuel System (1) | (2) Emission Control Systems & Devices | EGR Test No. |
|---|
| 3.8L (230") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) AIS (6) CCS | — |
| 4.1L (250") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) AIS CCS | — |
| 4.8L (292") 6-Cyl. Carb. (3) | PCV, (4) ACL | — |
| 5.0L (307") V8 Carb. (3) | PCV, (4) ACL, (5) AIS (7) CCS | — |
| 5.4L (327") V8 Carb. (3) | PCV, (4) ACL | — |
| 6.5L (396") V8 Carb. (3) | PCV, (4) ACL, (8) AIS (9) CCS | — |
| (1) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (2) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (3) Heavy duty uses PCV only (6001 GVWR or more). (4) All except oil bath type air cleaner. (5) M/T only. (6) El Camino with A/T. (7) A/T only. (8) All light duty trucks & El Camino with 350 HP. (9) El Camino with 350 HP. |
| (1) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (2) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | Heavy duty uses PCV only (6001 GVWR or more). |
| (4) | All except oil bath type air cleaner. |
| (8) | All light duty trucks & El Camino with 350 HP. |
| (9) | El Camino with 350 HP. |
1968 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1968 Class "A" Motor Homes
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.0L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, SPK SPK-TCS, CCS | — |
| 5.7L (350") V6 2-Bbl. & 4-Bbl. | (2) PCV, ACL, SPK SPK-TCS, CCS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, ACL, SPK SPK-TCS, CCS | — |
| 7.0L (430) V8 4-Bbl. | (2) PCV, ACL, SPK SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1969 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, AP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1969 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. | PCV, (2) AIS | — |
| 7.0L (427") V8 3x2-Bbl. | PCV, (3) SPK, AIS (4) CCS | — |
| 7.0L (427") V8 4-Bbl. | PCV, (2) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) M/T only. (3) If equipped with factory multiple carburetors. (4) A/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | If equipped with factory multiple carburetors. |
1969 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.5L (153") 4-Cyl. 1-Bbl. | (2) PCV, (3) ACL, (4) AIS (5) CCS | — |
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) PCV, (3) ACL, (4) AIS (5) CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) ACL, (4) AIS (5) CCS | — |
| 5.0L (302") V8 4-Bbl. (6) | (2) PCV, AIS | — |
| 5.0L (307") V8 2-Bbl. | (2) PCV, (3) ACL, (4) AIS (5) CCS | — |
| 5.4L (327") V8 2-Bbl. | (2) PCV, (3) ACL, (4) AIS (5) CCS | — |
| 5.4L (327") V8 4-Bbl. | (2) PCV, (4) SPK, (6) AIS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, (5) ACL, (4) AIS (5) CCS | — |
| 6.5L (396") V8 2-Bbl. | (2) PCV, (3) ACL, (4) AIS (5) CCS | — |
| 6.5L (396") V8 4-Bbl. | (2) PCV, (5) ACL, (4) AIS (5) CCS | — |
| 7.0L (427") V8 3x2-Bbl. | (2) PCV, (7) SPK, (6) AIS (3) CCS | — |
| 7.0L (427") V8 4-Bbl. | (2) PCV, (4) SPK, (3) AIS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) A/T only. (4) California only. (5) A/T, except open element air cleaner. (6) M/T only. (7) All except open element or dual inlet air cleaner. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (5) | A/T, except open element air cleaner. |
| (7) | All except open element or dual inlet air cleaner. |
1969 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| 6.5L (400") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| 7.5L (455") V8 2-Bbl. & 4-Bbl. | (2) PCV, (3) ACL, SPK CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1969 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 4.2L (250") 6-Cyl. 4-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 5.7L (350") V8 2-Bbl. (4) | (2) PCV, ACL, (3) SPK CCS | — |
| 5.7L (350") V8 2-Bbl. (5) | (2) PCV, ACL, (3) SPK CCS, VA | — |
| 5.7L (350") V8 4-Bbl. (4) | (2) PCV, ACL, (3) SPK CCS | — |
| 5.7L (350") V8 4-Bbl. (5) | (2) PCV, ACL, (3) SPK CCS | — |
| 6.5L (400") V8 2-Bbl. (4) | (2) PCV, ACL, (3) SPK CCS | — |
| 6.5L (400") V8 2-Bbl. (5) | (2) PCV, ACL, (3) SPK CCS, VA | — |
| 6.5L (400") V8 4-Bbl. (4) | (2) PCV, ACL, (3) SPK CCS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, ACL, (3) SPK CCS | — |
| 7.0L (428") V8 4-Bbl. (4) | (2) PCV, ACL, (3) SPK CCS | — |
| 7.0L (428") V8 4-Bbl. (5) | (2) PCV, ACL, (3) SPK CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) Some models. (4) A/T only. (5) M/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1969 Pontiac (Domestic Cars)
| Engine & Fuel System (1) | (2) Emission Control Systems & Devices | EGR Test No. |
|---|
| 3.8L (230") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) AIS (6) CCS | — |
| 4.1L (250") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) AIS (6) CCS | — |
| 4.8L (292") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) AIS (6) CCS | — |
| 5.0L (307") V8 Carb. | PCV, (4) ACL, (7) AIS (8) CCS | — |
| 5.7L (350") V8 Carb. (3) | PCV, (4) ACL, (7) AIS (8) CCS | — |
| 6.5L (396") V8 Carb. (3) | PCV, (4) ACL, (5) AIS (8) CCS | — |
| (1) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (2) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (3) Heavy duty uses PCV only (6001 GVWR or more). (4) All except oil bath type air cleaner. (5) M/T only. (6) El Camino with A/T. (7) M/T light duty trucks only. (8) A/T light duty trucks only. |
| (1) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (2) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | Heavy duty uses PCV only (6001 GVWR or more). |
| (4) | All except oil bath type air cleaner. |
| (7) | M/T light duty trucks only. |
| (8) | A/T light duty trucks only. |
1969 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1969 Class "A" Motor Homes
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.0L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 7.5L (455") V8 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1970 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, ACL, (3) EVAP, SPK, AP (3) EVAP-VC, SPK-TCS, CCS | — |
| 8.2L (500") V8 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK (3) EVAP-VC, SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed (California); Type 1 vented (Federal). (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Type 4 closed (California); Type 1 vented (Federal). |
1970 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. California | PCV, EVAP, (2) SPK EVAP-VC, CCS | — |
| 5.7L (350") V8 4-Bbl. Federal | PCV, (2) SPK, (3) AIS | — |
| 7.5L (454") V8 4-Bbl. | PCV, (4) EVAP, SPK, (5) AIS EVAP-VC | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some models. (3) On 370 HO (LT-1) engine only. (4) California emissions only. (5) On 460 HP engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | On 370 HO (LT-1) engine only. |
| (4) | California emissions only. |
| (5) | On 460 HP engine only. |
1970 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.5L (153") 4-Cyl. 1-Bbl. | (2) PCV, (3) EVAP, SPK, AIS EVAP-VC, SPK-TCS | — |
| 3.8L (230") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.0L (302") V8 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.0L (307") V8 2-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, (4) ACL, (3) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, (4) ACL, (3) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 6.5L (396") V8 4-Bbl. | (2) PCV, (4) ACL, (3) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 6.5L (400") v8 2-Bbl. | (2) PCV, (4) ACL, (3) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 6.6L (402") V8 4-Bbl. | (2) PCV, (4) ACL, (3) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 7.0L (427") V8 4-Bbl. | (2) PCV, (4) ACL, (3) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 7.5L (454") V8 4-Bbl. | (2) PCV, (4) EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. (4) All except open element or dual inlet air cleaner. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (4) | All except open element or dual inlet air cleaner. |
1970 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, CCS, SPK-TCS | — |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, CCS, SPK-TCS | — |
| 7.5L (455") V8 2-Bbl. & 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, CCS, SPK-TCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1970 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 6.5L (400") V8 2-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 7.5L (455") V8 4-Bbl. | (2) PCV, ACL, (3) EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1970 Pontiac (Domestic Cars)
| Engine & Fuel System (1) | (2) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.1L (250") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) EVAP, (6) SPK EVAP-VC, SPK-TCS, (6) CCS | — |
| 4.8L (292") 6-Cyl. Carb. (3) | PCV, (4) ACL, (5) EVAP, (6) SPK EVAP-VC, SPK-TCS, (6) CCS | — |
| 5.0L (307") V8 Carb. (3) | PCV, (4) (7) ACL, (5) EVAP, (6) SPK EVAP-VC, SPK-TCS, (6) CCS | — |
| 5.7L (350") V8 Carb. (3) | PCV, (4) ACL, (5) EVAP, (6) SPK EVAP-VC, SPK-TCS, (6) CCS | — |
| 6.0L (366") & 6.2L (379") V8 Carb. | PCV | — |
| 6.5L (396") V8 Carb. (3) | PCV, (4) ACL, (5) EVAP, (6) SPK EVAP-VC, SPK-TCS, (6) CCS | — |
| 7.0L (427"/432") V8 Carb. | PCV | — |
| 7.7L (473") V8 Carb. | PCV | — |
| (1) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (2) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (3) Heavy duty uses PCV only (6001 GVWR or more). (4) All except oil bath type air cleaner. (5) Light duty California only (6000 GVWR or less). (6) All trucks & light duty vans only (6000 GVWR or less). (7) All air cleaners are thermostatically controlled, except oil bath type. |
| (1) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (2) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | Heavy duty uses PCV only (6001 GVWR or more). |
| (4) | All except oil bath type air cleaner. |
| (5) | Light duty California only (6000 GVWR or less). |
| (6) | All trucks & light duty vans only (6000 GVWR or less). |
| (7) | All air cleaners are thermostatically controlled, except oil bath type. |
1970 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV, (2) (3) EVAP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some California models. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Some California models. |
1970 Class "A" Motor Homes
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.0L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 7.5L (455") V8 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1971 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, ACL, EVAP, SPK, AP EVAP-VC, SPK-TCS | — |
| 8.2L (500") V8 4-Bbl. | PCV, ACL, EVAP, SPK, AP EVAP-VC, SPK-TCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1971 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. | PCV, EVAP, SPK, (2) AIS EVAP-VC | — |
| 7.5L (454") V8 4-Bbl. | PCV, EVAP-, SPK, (3) AIS EVAP-VC | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) On 330 HP engine only. (3) On 425 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | On 330 HP engine only. |
1971 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.0L (307") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, (4) ACL, EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 6.5L (400") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 6.6L (402") V8 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 7.5L (454") V8 4-Bbl. | (2) PCV, (4) ACL, EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) Open element air cleaner only. (4) All except open element or dual inlet air cleaner. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | Open element air cleaner only. |
| (4) | All except open element or dual inlet air cleaner. |
1971 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, (3) SPK-DVCS, (4) SPK-TCS, CCS | — |
| 7.5L (455") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, (3) (5) SPK-DVCS, (6) SPK-TCS, CCS | — |
| 7.5L (455") V8 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, (3) (5) SPK-DVCS, (7) SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) A/C or heavy duty cooling only. (4) Without A/C. (5) "A" Body & Toronado. (6) "B" Body with A/C. (7) "B" & "C" Bodies with A/C. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (3) | A/C or heavy duty cooling only. |
| (7) | "B" & "C" Bodies with A/C. |
1971 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.0L (307") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 6.5L (400") V8 2-Bbl. (3) | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 6.5L (400") V8 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 7.5L (455") V8 2-Bbl. (3) | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 7.5L (455") V8 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, (4) SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) A/T only. (4) Except HO engines. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1971 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, (3) ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, (3) ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.0L (307") V8 Carb. | PCV, (3) ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 Carb. | PCV, (3) ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 6.6L (402") V8 Carb. | PCV, (3) ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| Heavy Duty Emissions (6001 GVWR Or More) (2) |
| 4.1L (250") 6-Cyl. Carb. | PCV, (3) ACL CCS | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, (3) ACL CCS | — |
| 5.0L (307"), 5.7L (350") & 6.6L (402") V8 Carb. | PCV, (3) ACL CCS | — |
| 6.0L (366") & 6.2L (379") V8 Carb. | PCV | — |
| 7.0L (427"/432") V8 Carb. | PCV | — |
| 7.7L (473") V8 Carb. | PCV | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (3) All air cleaners are thermostatically controlled, except oil bath type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (3) | All air cleaners are thermostatically controlled, except oil bath type. |
1971 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV, (2) (3) EVAP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some California models. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Some California models. |
1971 Class "A" Motor Homes
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 2-Bbl. (3) (4) | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. (4) (6) | (5) PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. (6) (7) | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (3) (4) | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (4) (6) | (5) PCV, ACL, EVAP, SPK, AIS EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 4-Bbl. (3) (7) | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (6) (7) | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 7.5L (455") V8 4-Bbl. | (5) PCV, ACL, (8) EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) A/T only. (5) Type 4 closed. (6) Federal only. (7) M/T only. (8) Type 3 vented (Federal); Type 4 closed (Calif.). |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (8) | Type 3 vented (Federal); Type 4 closed (Calif.). |
1972 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, ACL, EVAP, AP EVAP-VC, CCS | — |
| 8.2L (500") V8 4-Bbl. | PCV, ACL, EVAP, AP EVAP-VC, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1972 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. | PCV, EVAP, SPK, (2) AIS EVAP-CS, (3) CCS | — |
| 7.5L (454") V8 4-Bbl. | PCV, EVAP, SPK, AIS EVAP-VC | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Required on high performance Fed. 225 HP (LT-1) engine & Calif. engines. (3) Required on Federal base engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Required on high performance Fed. 225 HP (LT-1) engine & Calif. engines. |
| (3) | Required on Federal base engine only. |
1972 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK, (4) AIS EVAP-VC, (5) SPK-TCS, (6) CCS | — |
| 2.3L (140") 4-Cyl. 2-Bbl. | (2) PCV, ACL, EVAP, SPK, (4) AIS EVAP-VC, (5) SPK-TCS, (6) CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. | (2) PCV, ACL, EVAP, SPK, (3) AIS EVAP-VC, SPK-TCS, (7) CCS | — |
| 5.0L (307") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK, (8) (9) AIS EVAP-VC, SPK-TCS, (7) CCS | — |
| 5.7L (350") V8 2-Bbl. | (2) PCV, (10) ACL, EVAP, SPK, (8) (11) AIS EVAP-VC, SPK-TCS, (7) CCS | — |
| 5.7L (350") V8 4-Bbl. | (2) PCV, (10) ACL, EVAP, SPK, (8) (11) AIS EVAP-VC, SPK-TCS, (7) CCS | — |
| 6.5L (400") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK, (8) AIS EVAP-VC, SPK-TCS, (7) CCS | — |
| 6.6L (402") V8 4-Bbl. | (2) PCV, (10) ACL, EVAP, SPK, (7) AIS EVAP-VC, SPK-TCS | — |
| 7.5L (454") V8 4-Bbl. | (2) PCV, (10) ACL, EVAP, SPK, (7) AIS EVAP-VC, SPK-TCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) California only. (4) All 110 HP & Calif. 90 HP engines only. (5) All except California A/T. (6) All 90 HP, except California. (7) Federal only. (8) Required for California; optional for Federal. (9) 165 HP only. (10) All except open element or dual element air cleaner. (11) Federal open element air cleaner only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (4) | All 110 HP & Calif. 90 HP engines only. |
| (5) | All except California A/T. |
| (6) | All 90 HP, except California. |
| (8) | Required for California; optional for Federal. |
| (10) | All except open element or dual element air cleaner. |
| (11) | Federal open element air cleaner only. |
1972 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-DVCS, CCS | — |
| 7.5L (455") V8 4-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-DVCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1972 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | (2) PCV, ACL, EVAP, SPK, (4) AIS EVAP-VC, CCS | — |
| 4.2L (250") 6-Cyl. 1-Bbl. (5) | (2) PCV, ACL, EVAP, SPK, (4) AIS EVAP-VC, CCS | — |
| 5.0L (307") V8 2-Bbl. | (2) PCV, ACL, EVAP, SPK EVAP-VC, CCS | — |
| 5.7L (350") V8 2-Bbl. (3) | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-SC, CCS | — |
| 6.5L (400") V8 2-Bbl. (3) | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-SC, CCS | — |
| 6.5L (400") V8 4-Bbl. (3) | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-SC, CCS | — |
| 6.5L (400") V8 4-Bbl. (5) | (2) PCV, ACL, EVAP, (6) SPK EVAP-VC, (6) SPK-SC, (7) SPK-TCS, CCS | — |
| 7.5L (455") V8 4-Bbl. (3) | (2) PCV, ACL, EVAP, SPK EVAP-VC, SPK-SC, CCS | — |
| 7.5L (455") V8 4-Bbl. (5) | (2) PCV, ACL, EVAP, (6) SPK EVAP-VC, (6) SPK-SC, (7) SPK-TCS, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Type 4 closed. (3) A/T only. (4) California only. (5) M/T only. (6) 3-speed. (7) 4-speed. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
1972 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, (3) SPK, (4) AIS EVAP-VC, SPK-TCS, (3) CCS | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, EVAP, SPK, (5) SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.0L (307") V8 Carb. | PCV, ACL, EVAP, SPK EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 Carb. | PCV, ACL, EVAP, (4) SPK, (5) AIS EVAP-VC, SPK-TCS, (4) CCS | — |
| 6.6L (402") V8 Carb. | PCV, ACL, EVAP, SPK, (3) SPK EVAP-VC, SPK-TCS | — |
| Heavy Duty Emissions (6001 GVWR Or More) (2) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL (3) CCS | — |
| 4.8L (292") V8 Carb | PCV, ACL CCS | — |
| 5.0L (307") V8 Carb. | PCV, ACL CCS | — |
| 5.7L (350") V8 Carb. | PCV, ACL CCS | — |
| 6.0L (366") & 6.2L (379") V8 Carb. | PCV, (3) ACL | — |
| 6.6L (402") V8 Carb. | PCV, ACL CCS | — |
| 7.0L (427"/432") V8 Carb. | PCV, (3) ACL | — |
| 7.7L (473") V8 Carb. | PCV, (3) ACL | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (3) Federal only. (4) Some models. (5) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
1972 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV, (2) (3) EVAP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some California models. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Some California models. |
1972 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (2) EVAP, SPK, AIS CRV, SPK-DPD | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Crankcase storage type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Crankcase storage type. |
1972 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.0L (250") 6-Cyl. 1-Bbl. (3) | (4) PCV, ACL, (5) EVAP, EGR, SPK, AIS | 1 |
| 4.0L (250") 6-Cyl. 1-Bbl. (6) | (4) PCV, ACL, EVAP, SPK, AIS EVAP-VC, SPK-TCS, CCS | — |
| 5.7L (350") V8 2-Bbl. | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (3) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 7.5L (455") V8 4-Bbl. (3) | (4) PCV, ACL, EVAP, EGR, (7) SPK, AIS EVAP-VC, (7) SPK-TCS, CCS | 1 |
| 7.5L (455") V8 4-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) A/T only. (4) Type 4 closed. (5) Vapor canister type. (6) M/T only. (7) Stage 1 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1973 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, ACL, (3) EVAP, EGR, AP | 1 |
| 8.2L (500") V8 4-Bbl. | PCV, ACL, (3) EVAP, EGR, AP | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1973 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. | PCV, EVAP, EGR, SPK, AIS EVAP-VC | 1 |
| 7.5L (454") V8 4-Bbl. | PCV, EVAP, EGR, SPK, AIS EVAP-VC | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1973 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. (3) | (4) PCV, ACL, EVAP, EGR EVAP-VC, CCS | 1 |
| 2.3L (140") 4-Cyl. 1-Bbl. (5) | (4) PCV, ACL, EVAP, EGR, SPK EVAP-VC, (6) SPK-TCS, CCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (5) | (4) PCV, ACL, EVAP, EGR EVAP-VC, CCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (5) | (4) PCV, ACL, EVAP, EGR, SPK EVAP-VC, (6) SPK-TCS, CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | (4) PCV, ACL, (7) EVAP, EGR, AIS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (5) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS | 1 |
| 5.0L (307") V8 2-Bbl. | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS | 1 |
| 5.7L (350") V8 2-Bbl. | (4) PCV, (8) ACL, EVAP, EGR, SPK, AIS EVAP-VC, (8) SPK-TCS | 1 |
| 5.7L (350") V8 4-Bbl. | (4) PCV, (8) ACL, EVAP, EGR, SPK, AIS EVAP-VC, (5) SPK-TCS | 1 |
| 6.5L (400") V8 2-Bbl. (3) | (4) PCV, ACL, (7) EVAP, EGR, AIS | 1 |
| 7.5L (454") V8 4-Bbl. | (4) PCV, (8) ACL, EVAP, EGR, SPK, AIS EVAP-VC, (5) SPK-TCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) A/T only. (4) Type 4 closed. (5) M/T only. (6) All 110 HP & Calif. 90 HP engines only. (7) Vapor canister type. (8) All except open element or dual element air cleaner. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (6) | All 110 HP & Calif. 90 HP engines only. |
| (8) | All except open element or dual element air cleaner. |
1973 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | (4) PCV, ACL, EVAP, EGR, AIS EVAP-VC, CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (5) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, CCS | 1 |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (4) PCV, ACL, EVAP, EGR, AIS EVAP-VC, CCS | 1 |
| 7.5L (455") V8 4-Bbl. | (4) PCV, ACL, EVAP, EGR, AIS EVAP-VC, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) A/T only. (4) Type 4 closed. (5) M/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1973 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. (4) | (3) PCV, ACL, (5) EVAP, EGR, SPK, AIS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (6) | (3) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS | 1 |
| 5.7L (350") V8 2-Bbl. (4) | (3) PCV, ACL, EVAP, EGR, SPK, (7) AIS EVAP-VC, SPK-TCS | 1 |
| 5.7L (350") V8 2-Bbl. (6) | (3) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS | 1 |
| 6.5L (400") V8 2-Bbl. (4) | (3) PCV, ACL, EVAP, EGR, SPK, (8) AIS EVAP-VC, SPK-TCS | 1 |
| 6.5L (400") V8 4-Bbl. (4) | (3) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS | 1 |
| 6.5L (400") V8 4-Bbl. (6) | (3) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS | 1 |
| 7.5L (455") V8 4-Bbl. | (3) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Type 4 closed. (4) A/T only. (5) Vapor canister type. (6) M/T only. (7) California only. (8) California "B" station wagon. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (8) | California "B" station wagon. |
1973 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, EGR, SPK, (4) AIS EVAP-VC, SPK-TCS | 1 |
| 5.0L (307") V8 Carb. | PCV, ACL, EVAP, EGR, (5) SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.0L (350") V8 Carb. | PCV, ACL, EVAP, EGR, (5) SPK, AIS EVAP-VC, SPK-TCS | 1 |
| 7.4L (454") V8 Carb. | PCV, ACL, EVAP, EGR, (5) SPK, AIS EVAP-VC, SPK-TCS | 1 |
| Heavy Duty Emissions (6001 GVWR Or More) (3) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, (7) EVAP EVAP-VC, (6) CCS | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, (7) EVAP, (8) AIS EVAP-VC, (6) CCS | — |
| 5.0L (307") V8 Carb. | PCV, (8) ACL, (7) EVAP EVAP-VC, CCS | — |
| 5.7L (350") V8 Carb. | PCV, (8) ACL, (7) EVAP EVAP-VC, CCS | — |
| 6.0L (366") & 6.2L (379") V8 Carb. | PCV, (6) ACL | — |
| 7.0L (427"/432") V8 Carb. | PCV, (6) ACL | — |
| 7.4L (454") V8 Carb. | PCV, (7) ACL, (7) EVAP, (8) AIS EVAP-VC, (6) CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) All models except Federal A/T. (5) M/T only. (6) Federal only. (7) Some models. (8) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (4) | All models except Federal A/T. |
1973 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV, (2) (3) EVAP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some California models. (3) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Some California models. |
1973 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (2) EVAP, SPK, AIS CRV, SPK-DPD | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Crankcase storage type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Crankcase storage type. |
1973 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.0L (250") 6-Cyl. 1-Bbl. (3) (4) | (5) PCV, ACL, EVAP, EGR, SPK EVAP-VC, CCS | 1 |
| 4.0L (250") 6-Cyl. 1-Bbl. (6) | (5) PCV, ACL, (7) EVAP, EGR, SPK, AIS | 1 |
| 5.7L (350") V8 2-Bbl. & 4-BbL. | (5) PCV, ACL, EVAP, (8) EGR, SPK, AIS EVAP-VC, CCS | 1 |
| 7.5L (455") V8 2-Bbl. | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 7.5L (455") 4-Bbl. (4) | (5) PCV, ACL, EVAP, EGR, (9) SPK, AIS EVAP-VC, (9) SPK-TCS, CCS | 1 |
| 7.5L (455") V8 4-Bbl. (6) | (5) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) A/T only. (5) Type 4 closed. (6) M/T only. (7) Vapor canister type. (8) Dual Diaphragm EGR (Calif.). (9) Stage 1 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (8) | Dual Diaphragm EGR (Calif.). |
1974 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 7.7L (472") V8 4-Bbl. | PCV, ACL, (3) EVAP, EGR, AP | 1 |
| 8.2L (500") V8 4-Bbl. | PCV, ACL, (3) EVAP, EGR, AP | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1974 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. California | PCV, EVAP, EGR, (3) SPK, AIS EVAP-VC | 1 |
| 5.7L (350") V8 4-Bbl. Federal | PCV, EVAP, EGR, (3) SPK, (4) AIS EVAP-VC, (5) CCS | 1 |
| 7.5L (454") V8 4-Bbl. | PCV, EVAP, EGR, (3) SPK, AIS EVAP-VC | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) M/T only. (4) M/T models & optional L-82 engine with A/T. (5) On base L-48 engine with A/T. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | M/T models & optional L-82 engine with A/T. |
| (5) | On base L-48 engine with A/T. |
1974 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. (3) | (4) PCV, ACL, (5) EVAP, EGR | 1 |
| 2.3L (140") 4-Cyl. 1-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (3) | (4) PCV, ACL, (5) EVAP, EGR | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | (4) PCV, ACL, (5) EVAP, EGR, AIS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS | 1 |
| 5.7L (350") V8 2-Bbl. (3) (7) | (4) PCV, ACL, (5) EVAP, EGR, AIS | 1 |
| 5.7L (350") V8 2-Bbl. (6) (7) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, (7) SPK-TCS | 1 |
| 5.7L (350") V8 4-Bbl. (3) | (4) PCV, (8) ACL, (5) EVAP, EGR, AIS | 1 |
| 5.7L (350") V8 4-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS | 1 |
| 6.5L (400") V8 2-Bbl. (3) (7) | (4) PCV, ACL, (5) EVAP, EGR, AIS | 1 |
| 7.5L (454") V8 4-Bbl. (3) | (4) PCV, (8) ACL, (5) EVAP, EGR, AIS | 1 |
| 7.5L (454") V8 4-Bbl. (6) | (4) PCV, (8) ACL, EVAP, EGR, SPK, AIS EVAP-VC, (7) SPK-TCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) Type 4 closed. (5) Vapor canister type. (6) Federal only. (7) On Federal models with M/T, on optional L82 engines with A/T & on all Calif. engines. (8) M/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (7) | On Federal models with M/T, on optional L82 engines with A/T & on all Calif. engines. |
1974 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | (4) PCV, ACL, EVAP, (5) EGR, AIS EVAP-VC, CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (6) | (4) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. (3) | (4) PCV, ACL, EVAP, EGR, SPK EVAP-VC, CCS | 1 |
| 5.7L (350") V8 4-Bbl. | (4) PCV, ACL, EVAP, EGR, SPK EVAP-VC, CCS | 1 |
| 7.5L (455") V8 4-Bbl. (7) | (4) PCV, (8) ACL, EVAP, EGR, SPK EVAP-VC, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) A/T only. (4) Type 4 closed. (5) California only. (6) M/T only. (7) Except Toronado. (8) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1974 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.2L (250") 6-Cyl. 1-Bbl. (4) | (3) PCV, ACL, EVAP, EGR, SPK, (5) AIS EVAP-VC, CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (6) | (3) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. (4) | (3) PCV, ACL, EVAP, EGR, SPK, (5) AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. (6) | (3) PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (4) | (3) PCV, ACL, EVAP, (7) EGR, SPK EVAP-VC, SPK-TCS, CCS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (6) | (3) PCV, ACL, EVAP, (7) EGR, SPK EVAP-VC, SPK-TCS, CCS | 2 or 3 |
| 6.5L (400") V8 2-Bbl. (4) | (3) PCV, ACL, EVAP, EGR, SPK EVAP-VC, SPK-TCS, CCS | 1 |
| 6.5L (400") V8 4-Bbl. (4) | (3) PCV, ACL, EVAP, (7) EGR, SPK EVAP-VC, SPK-TCS, CCS | 2 or 3 |
| 6.5L (400") V8 4-Bbl. (6) | (3) PCV, ACL, EVAP, (7) EGR, SPK EVAP-VC, SPK-TCS, CCS | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (4) | (3) PCV, ACL, EVAP, (7) EGR, SPK EVAP-VC, SPK-TCS, CCS | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (6) | (3) PCV, ACL, EVAP, (7) EGR, SPK EVAP-VC, SPK-TCS, CCS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Type 4 closed. (4) A/T only. (5) California only. (6) M/T only. (7) Dual diaphragm EGR valve (some Calif. models). |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (7) | Dual diaphragm EGR valve (some Calif. models). |
1974 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, EGR, (5) SPK, (4) AIS EVAP-VC, SPK-TCS, (8) CCS | 1 |
| 5.7L (350") V8 2-Bbl. (6) | PCV, ACL, EVAP, EGR, (5) SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, EGR, (5) SPK, AIS EVAP-VC, SPK-TCS, CCS | 1 |
| 7.4L (454") V8 4-Bbl. | PCV, ACL, EVAP, EGR, (5) SPK, (7) (9) AIS EVAP-VC, SPK-TCS, (8) CCS | 1 |
| Heavy Duty Emissions (6001 GVWR Or More) (3) |
| 4.1L (250") 6-Cyl. Carb. | PCV, (7) ACL, (7) (10) EVAP | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, (7) ACL, (7) (10) EVAP | — |
| 5.7L (350") V8 Carb. | PCV, (7) ACL, (7) (10) EVAP | — |
| 6.0L (366") & 6.2L (379") V8 Carb. | PCV, (7) ACL | — |
| 7.0L (427"/432") V8 Carb. | PCV, (7) ACL | — |
| 7.4L (454") V8 Carb. | PCV, (7) ACL, (7) (10) EVAP | — |
| 7.7L (473") V8 Carb. | PCV, (7) ACL | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) All models except Federal A/T. (5) M/T only. (6) Federal only. (7) Some models. (8) California only. (9) Federal with A/T. (10) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (4) | All models except Federal A/T. |
1974 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV, (3) ACL, (2) (4) EVAP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some California models. (3) Some models. (4) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Some California models. |
1974 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) Crankcase storage type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Crankcase storage type. |
1974 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 3.8L (231") V6 2-Bbl. | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, (4) SPK-DV | 1 |
| 4.0L (250") 6-Cyl. 1-Bbl. (4) (5) | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, EFE-OTS | 1 |
| 4.0L (250") 6-Cyl. 1-Bbl. (6) | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EFE-OTS | 1 |
| 4.3L (260") V8 2-Bbl. (5) | (3) PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-BPS, SPK-CC | 2 or 3 |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | (3) PCV, ACL, (7) EVAP, OC, FR, EGR, SPK, (8) AIS, (9) EFE | 1 |
| 6.5L (400") V8 2-Bbl. & 4-Bbl. (5) | (3) PCV, ACL, (7) EVAP, OC, FR, EGR, SPK, EFE | 1 |
| 7.5L (455") V8 4-Bbl. (5) | (3) PCV, ACL, (7) EVAP, OC, FR, EGR, SPK, EFE | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Type 4 closed. (4) California only. (5) A/T only. (6) Federal only. (7) Vapor canister type. (8) 4-Bbl. Century Wagon & LeSabre Sedan/Coupe (Calif. only). (9) Except 4-bbl. with AIS. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (8) | 4-Bbl. Century Wagon & LeSabre Sedan/Coupe (Calif. only). |
| (9) | Except 4-bbl. with AIS. |
1975 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 8.2L (500") V8 EFI | PCV, ACL, (3) EVAP, OC, FR, EGR, (4) AP | 1 |
| 8.2L (500") V8 4-Bbl. | PCV, ACL, (3) EVAP, OC, FR, (4) EGR, (4) AP, EFE | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. (4) Used on all Calif. models & all commercial chassis with 145-amp. alternator. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | Used on all Calif. models & all commercial chassis with 145-amp. alternator. |
1975 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. | PCV, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1975 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. (4) | (5) PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, (6) SPK-TCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. | (5) PCV, ACL, EVAP, OC, FR, EGR, SPK, (7) AIS, EFE EVAP-VC, (7) SPK-TCS, (8) CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (7) (8) | (5) PCV, ACL, (9) EVAP, OC, FR, EGR, AIS, EFE | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (4) | (5) PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| 4.3L (262") V8 2-Bbl. | (5) PCV, ACL, EVAP, OC, FR, EGR, (7) AIS, EFE EVAP-VC, (4) CCS | 1 |
| 5.7L (350") V8 2-Bbl. (4) | (5) PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| 5.7L (350") V8 4-Bbl. (10) | (5) PCV, ACL, (8) EVAP, OC, FR, EGR, AIS, EFE | 1 |
| 5.7L (350") V8 4-Bbl. (3) | (5) PCV, ACL, EVAP, OC, FR, EGR, (7) AIS, EFE EVAP-VC, (4) CCS | 1 |
| 6.5L (400") V8 4-Bbl. (8) | (5) PCV, ACL, EVAP, OC, FR, EGR, (7) (11) AIS, EFE EVAP-VC, (4) CCS | 1 |
| 7.5L (454") V8 4-Bbl. (4) (8) | (5) PCV, (4) ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) RPO LM-1 (155 HP) only. (4) Federal only. (5) Type 4 closed. (6) All 110 HP & Calif. 90 HP engines only. (7) California only. (8) A/T only (some models). (9) Vapor canister type. (10) RPO L48 (165 HP) & L82 (205 HP) only. (11) Catalyst air injection. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | RPO LM-1 (155 HP) only. |
| (6) | All 110 HP & Calif. 90 HP engines only. |
| (8) | A/T only (some models). |
| (10) | RPO L48 (165 HP) & L82 (205 HP) only. |
| (11) | Catalyst air injection. |
1975 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 3.8L (231") V6 2-Bbl. | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, (4) SPK-TVS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. | (3) PCV, ACL, (5) EVAP, OC, FR, EGR, (6) AIS, EFE | 1 |
| 4.3L (260) V8 2-Bbl. | (3) PCV, ACL, (5) EVAP, OC, FR, BP/EGR, SPK, EFE | 2 or 3 |
| 5.7L (350) V8 2-Bbl. (7) | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, SPK-TVS | 1 |
| 5.7L (350") V8 4-Bbl. Cutlass & Eighty-Eight (6) (8) | (3) PCV, ACL, (5) EVAP, OC, FR, BP/EGR, SPK | 2 or 3 |
| 5.7L (350") V8 4-Bbl. Cutlass & Eighty-Eight (7) (8) | (3) PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, (4) SPK-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. Omega (8) | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK, (7) EFE EVAP-VC, SPK-TVS | 1 |
| 6.5L (400") V8 2-Bbl. & 4-Bbl. (7) (8) | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DV | 1 |
| 7.5L (455") V8 4-Bbl. (6) (8) | (3) PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, SPK-TVS | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (7) (8) | (3) PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, (9) SPK-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Type 4 closed. (4) Early production only. (5) Vapor canister type. (6) California only. (7) Federal only. (8) A/T only. (9) Except late production Toronado. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | Early production only. |
| (9) | Except late production Toronado. |
1975 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. (3) | (4) PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, (5) SPK-TCS, CCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (6) | (4) PCV, ACL, (7) EVAP, OC, FR, EGR, AIS, EFE | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (3) | (4) PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (6) (8) | (4) PCV, ACL, (7) EVAP, OC, FR, EGR, AIS, EFE | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | (4) PCV, ACL, (7) EVAP, OC, FR, EGR, EFE | 1 |
| 4.3L (260") V8 2-Bbl. (6) (8) | (4) PCV, ACL, EVAP, OC, FR, BP/EGR, AIS, EFE EVAP-VC, BP/EGR-BPS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (3) | (4) PCV, ACL, EVAP, OC, FR, BP/EGR, EFE EVAP-VC, BP/EGR-BPS | 2 or 3 |
| 5.7L (350") V8 2-Bbl. (3) (8) | (4) PCV, ACL, EVAP, (9) BP/EGR, (10) EFE EVAP-VC, (11) BP/EGR-BPS | 1 , 2 or 3 |
| 5.7L (350") V8 4-Bbl. (8) | (4) PCV, ACL, EVAP, OC, FR, (9) BP/EGR, (6) AIS, (10) EFE EVAP-VC, (11) BP/EGR-BPS | 1 , 2 or 3 |
| 6.5L (400") V8 2-Bbl. (3) (8) | (4) PCV, ACL, EVAP, OC, FR, BP/EGR, EFE EVAP-VC, BP/EGR-BPS | 2 or 3 |
| 6.5L (400") V8 4-Bbl. (8) | (4) PCV, ACL, EVAP, OC, FR, BP/EGR, (6) AIS, (3) EFE | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (8) | (4) PCV, ACL, EVAP, OC, FR, BP/EGR, EFE EVAP-VC, BP/EGR-BPS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) Type 4 closed. (5) M/T only. (6) California only. (7) Vapor canister type. (8) A/T only. (9) Conventional EGR on Ventura. (10) Firebird and Ventura only. (11) Except Ventura. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (9) | Conventional EGR on Ventura. |
| (10) | Firebird and Ventura only. |
1975 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, SPK-TCS, CCS | 1 |
| 7.4L (454") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-TCS, CCS | 1 |
| Heavy Duty Emissions (6001 GVWR Or More) (3) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EFE CCS | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, (4) (5) EVAP CCS | — |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (4) EVAP, (4) AIS EVAP-VC, (6) CCS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (4) AIS | — |
| 6.5L (400") V8 4-Bbl. | PCV, ACL, (4) EVAP, (4) AIS EVAP-VC, (6) CCS | — |
| 7.4L (454") V8 4-Bbl. | PCV, ACL, (4) EVAP, (4) EGR, (4) AIS EVAP-VC, (6) CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) California only. (5) Vapor canister type. (6) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
1975 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | EGR Test No. |
|---|
| All Engines Carb. | PCV, (3) ACL, (2) (4) EVAP | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) Some California models. (3) Some models. (4) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | Some California models. |
1975 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) EGR, AIS CRV | 1TEST 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) Crankcase storage type. (4) California emissions. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Crankcase storage type. |
1975 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EGR-PVS, EFE-PVS, (3) A/C-ISUS | 1 |
| 4.3L (260") V8 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, BP/EGR, EFE EVAP-VC, BP/EGR-BPS, BP/EGR-OVS, EFE-PVS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (5) | PCV, ACL, EVAP, OC, FR, BP/EGR EVAP-VC, BP/EGR-BPS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, BP/EGR EVAP-VC, BP/EGR-BPS, BP/EGR-TVC | 2 or 3 |
| 5.7L (350") V8 2-Bbl. & 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DPVS, EGR-PVS | 1 |
| 7.5L (455") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, SPK-DPVS, EFE-PVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Skylark with A/C. (4) Early production (Calif. only). (5) Late production (Calif. only). (6) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | Early production (Calif. only). |
| (5) | Late production (Calif. only). |
1976 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 EFI | PCV, EVAP, OC, FR, BP/EGR, AP EVAP-VC, BP/EGR-BPS | 2 or 3 |
| 8.2L (500") V8 EFI | PCV, EVAP, OC, FR, BP/EGR, AP EVAP-VC, BP/EGR-BPS | 2 or 3 |
| 8.2L (500") V8 4-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, (4) AP, EFE | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. (4) Used on all Calif. models & all commercial chassis with 145-amp. alternator. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | Used on all Calif. models & all commercial chassis with 145-amp. alternator. |
1976 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. California | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC | 3 |
| 5.7L (350") V8 4-Bbl. Federal | PCV, ACL, EVAP, OC, FR, EGR, (3) AIS, EFE EVAP-VC, (4) CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) On L-82 & high altitude engines only. (4) On L-48 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | On L-82 & high altitude engines only. |
1976 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.4L (86") 4-Cyl. 1-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS EVAP-VC, EGR-TVS, SPK-DVDV | 1 |
| 1.4L (86") 4-Cyl. 1-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR EVAP-VC, CCS | 1 |
| 1.6L (98") 4-Cyl. 1-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, AIS EVAP-VC, EGR-TVS, SPK-DVDV | 1 |
| 1.6L (98") 4-Cyl. 1-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR EVAP-VC, CCS | 1 |
| 2.0L (122") Cosworth 4-Cyl. EFI | PCV, (5) EVAP, OC, FR, AIS | 1 |
| 2.3L (140") 4-Cyl. 1-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, (6) SPK-TCS, CCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (3) | PCV, ACL, (5) EVAP, OC, FR, EGR, AIS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR EVAP-VC, CCS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (3) (7) | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC, EGR-TVS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| 4.3L (262") V8 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| 5.0L (305") V8 2-Bbl. (3) (7) | PCV, ACL, EVAP, OC, FR, EGR, (8) AIS, EFE EVAP-VC, EGR-TVS | 1 |
| 5.0L (305") V8 2-Bbl. (4) (7) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EGR-TVS, CCS | 1 |
| 5.7L (350") V8 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EGR-TVS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, (9) AIS, EFE EVAP-VC, EGR-TVS | 1 |
| 6.5L (400") V8 4-Bbl. (7) | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC, EGR-TVS | 1 |
| 7.5L (454") V8 4-Bbl. (4) (7) | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC, EGR-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) Federal only. (5) Vapor canister type. (6) M/T only. (7) A/T only. (8) Except VINs Q & U. (9) L82 only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1976 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (3) AIS EVAP-VC, SPK-DPVS | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, EFE-PVS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (3) (4) AIS, EFE EVAP-VC, EGR-PVS | 1 |
| 4.3L (260") V8 2-Bbl. (5) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK ACL-TCV, EVAP-VC, BP/EGR-TCVLV | 2 or 3 |
| 4.3L (260") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (7) EFE ACL-TCV, EVAP-VC, BP/EGR-TCVLV, BP/EGR-BPS, SPK-AVM, (7) EFE-PVS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (8) (3) (4) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK ACL-TCV, EVAP-VC, BP/EGR-BPS, BP/EGR-TCVLV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (5) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, (9) SPK-DPVS, EFE-PVS | 1 |
| 5.7L (350") V8 4-Bbl. (10) (5) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, EGR-TCVLV | 1 |
| 5.7L (350") V8 4-Bbl. (11) (3) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK EFE EVAP-VC, EGR-PVS, (9) SPK-DPVS, EFE-PVS | 1 |
| 5.7L (350") V8 4-Bbl. (10) (3) (4) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, BP/EGR-BPS, BP/EGR-TCVLV, SPK-DV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (12) (5) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, EGR-TCVLV, SPK-DPVS | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (5) (4) (14) | PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, EGR-TCVLV, SPK-DPVS | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (3) (4) (14) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-BPS, BP/EGR-TCVLV, SPK-DV, SPK-DPVS, EFE-PVS | 1 |
| 7.5L (455") V8 4-Bbl. (13) (5) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, EGR-TCVLV | 1 |
| 7.5L (455") V8 4-Bbl. (13) (3) (4) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-BPS, BP/EGR-PVS, BP/EGR-TCVLV, SPK-DPVS, EFE-PVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) A/T only. (5) Federal only. (6) M/T only. (7) First type. (8) Second type. (9) With A/C only. (10) Cutlass & Eighty-Eight only. (11) Omega only. (12) Models with 2.41 axle. (13) Toronado only. (14) Except Toronado. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (10) | Cutlass & Eighty-Eight only. |
| (12) | Models with 2.41 axle. |
1976 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl.. 1Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, CCS, SPK-TCS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (4) | PCV, ACL, (5) EVAP, OC, FR, EGR, SPK, AIS, EFE | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, CCS | 1 |
| 3.8L (231") V6 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, SPK-TCS | 1 |
| 3.8L (231") V6 2-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-PVS, SPK-DV | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (4) (6) | PCV, ACL, (5) EVAP, OC, FR, EGR, AIS, EFE | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. (3) | PCV, ACL, (5) EVAP, OC, FR, EGR, EFE | 1 |
| 4.3L (260") V8 2-Bbl. (4) (6) (7) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-BPS, BP/EGR-PVS, BP/EGR-TCV, EFE-PVS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (4) (6) (8) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, BP/EGR-BPS, BP/EGR-PVS, BP/EGR-TCV | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (3) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, BP/EGR-BPS, BP/EGR-CV, SPK-AVM | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (3) (9) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, BP/EGR-BPS, BP/EGR-CV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (4) (6) (10) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS EVAP-VC, BP/EGR-BPS, SPK-DPVS, SPK-DV | 2 or 3 |
| 5.7L (350") V8 2-Bbl. (3) (6) (10) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DPVS, SPK-DV, EFE-PVS | 1 |
| 5.7L (350") V8 2-Bbl. (6) (11) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, SPK-DPVS | 1 |
| 5.7L (350") V8 2-Bbl. (6) (12) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, EFE-PVS | 1 |
| 5.7L (350") V8 4-Bbl. (6) (11) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-PVS, SPK-DPVS, EFE-PVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (6) (12) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-PVS, EFE-PVS | 2 or 3 |
| 6.5L (400") V8 2-Bbl. (3) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DPVS, SPK-DV, EFE-PVS | 1 |
| 6.5L (400") V8 4-Bbl. (4) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS EVAP-VC, BP/EGR-BPS, SPK-DPVS, SPK-DV | 2 or 3 |
| 6.5L (400") V8 4-Bbl. (3) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DPVS, SPK-DV, EFE-PVS | 1 |
| 6.5L (400") V8 4-Bbl. (3) (9) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, SPK-DPVS, EFE-PVS | 1 |
| 7.5L (455") V8 4-Bbl. (4) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-BPS, SPK-DPVS, EFE-PVS | 2 or 3 |
| 7.5L (455") V8 4-Bbl. (3) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DPVS, SPK-AVM, EFE-PVS | 1 |
| 7.5L (455") V8 4-Bbl. (3) (9) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-PVS, SPK-DPVS, EFE-PVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) California only. (5) Vapor canister type. (6) A/T only. (7) Early production California 260" V8 engine. (8) Late production California 260" V8 engine. (9) M/T only. (10) Except Ventura. (11) Ventura with A/C. (12) Ventura without A/C. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (7) | Early production California 260" V8 engine. |
| (8) | Late production California 260" V8 engine. |
1976 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, (4) OC, FR, EGR, (5) SPK, EFE EVAP-VC, SPK-TCS, (5) CCS | 1 v |
| 5.7L (350") V8 2-Bbl. (5) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-TCS, CCS | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, (5) SPK, (4) AIS, EFE EVAP-VC, PK-TCS, (5) CCS | 1 |
| 7.4L (454") V8 4-Bbl. (5) | PCV, ACL, EVAP, EFE EVAP-VC, CCS | 1 |
| Heavy Duty Emissions (6001 GVWR Or More) (3) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, (4) EVAP EVAP-VC, CCS | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, (4) ACL, (4) EVAP EVAP-VC, CCS | — |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (4) EVAP, (4) AIS EVAP-VC, CCS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (4) AIS | — |
| 6.5L (400") V8 4-Bbl. | PCV, ACL, (4) EVAP, (4) AIS EVAP-VC, CCS | — |
| 7.4L (454") V8 4-Bbl. | PCV, ACL, (4) EVAP, (4) EGR, (4) AIS EVAP-VC, CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) California only. (5) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
1976 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 454" V8 Carb. | PCV, ACL, (3) EVAP, (3) EGR, (3) AIS EVAP-VC, CCS | 1 |
| 455" V8 Carb. | PCV, ACL, (3) EVAP EVAP-VC, CCS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1976 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) (5) OC, (4) FR, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) 1976-80 crankcase storage type; 1981 vapor canister type. (4) California emissions. (5) Except some Federal models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | 1976-80 crankcase storage type; 1981 vapor canister type. |
| (5) | Except some Federal models. |
1976 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS, EFE EVAP-VC, BP/EGR-TVS, (4) SPK-AVM, EFE-CKV, EGR-TVS | 2 or 3 |
| 4.9L (301") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK. EVAP-VC, SPK-DSVMV, SPK-DTVS, (5) SPK-DVDV, EGR-CKV, EFE-TVS | 2 or 3 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR EVAP-VC, BP/EGR-TVS, EFE-CKV, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN H & J) | PCV, ACL, EVAP, OC, FR, BP/EGR, EFE EVAP-VC, BP/EGR-TVS, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (6) AIS, EFE EVAP-VC, BP/EGR-TVS, (6) SPK-DTVS, EFE-CKV, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS, EFE EVAP-VC, BP/EGR-TVC, SPK-DTVS | 2 or 3 |
| 6.6L (403") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (6) AIS, EFE EVAP-VC, (6) BP/EGR-DTVSW, BP/EGR-TCV, SPK-DTVS, (7) SPK-AVM | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California & high altitude only. (4) Economy Special only. (5) A/T with A/C only. (6) California only. (7) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California & high altitude only. |
1977 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 EFI | PCV, EVAP, OC, FR, BP/EGR, SPK, AP EVAP-VC, (3) SPK-DV | 2 or 3 |
| 7.0L (425") V8 EFI | PCV, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, (3) SPK-DV | 2 or 3 |
| 7.0L (425") V8 4-Bbl. | PCV, ACL, (4) EVAP, OC, FR, BP/EGR, SPK, (3) AP | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1977 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. California | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC | 3 |
| 5.7L (350") V8 4-Bbl. Federal | PCV, ACL, EVAP, OC, FR, EGR, (3) AIS, EFE EVAP-VC, (4) CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) On L-82 & high altitude engines only. (4) On L-48 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | On L-82 & high altitude engines only. |
1977 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.4L (86") 4-Cyl. 1-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR | 1 |
| 1.6L (98") 4-Cyl. 1-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, (4) AIS | 1 |
| 2.3L (140") 4-Cyl. 2-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, AIS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, (4) AIS, EFE | 1 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (5) AIS, EFE EVAP-VC, (4) SPK-DV | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, (5) AIS, EFE | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. (4) California only. (5) California, high altitude & L82. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (5) | California, high altitude & L82. |
1977 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, SPK-TVS | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (4) AIS, EFE EVAP-VC, BP/EGR-TVS, (3) SPK-AVM, (5) SPK-TCS, (6) EFE-CV, EFE-TVS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TCVLV, (7) BP/EGR-DV, (7) SPK-AVM | 2 or 3 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, (7) EVAP, (7) OC, FR, BP/EGR, SPK, (3) AIS, EFE EVAP-VC, (7) BP/EGR-TVS, (4) SPK-DV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, (4) ACL, (7) EVAP, (7) OC, FR, EGR, SPK, (4) AIS, EFE EVAP-VC, EGR-TVS, (7) EFE-CV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS EVAP-VC, (3) BP/EGR-TVS, BP/EGR-TCVLV, (3) SPK-TVS | 2 or 3 |
| 6.6L (403") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (3) AIS EVAP-VC, EGR-TVS, EGR-TCVLV, EGR-TVS, (4) SPK-TVS, SPK-DV, SPK-EST, (7) SPK-AVM | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) California & high altitude only. (5) California M/T only. (6) California & Federal only. (7) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | California & high altitude only. |
| (6) | California & Federal only. |
1977 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.3L (140") 4-Cyl. 1-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS EVAP-VC, EGR-TVS, (3) SPK-TVS, SPK-DV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, OC, FR, (4) EGR, (6) BP/EGR, SPK, (6) AP, (5) PAIR, EFE EVAP-VC, EGR-TVS, SPK-TVS, SPK-DV, EFE-TVS | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, (6) SPK, (3) AIS, EFE EVAP-VC, BP/EGR-TVS, (6) SPK-TCS, EFE-CV, EFE-TVS | 2 or 3 |
| 5.0L (301") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, (7) SPK-TVS, (7) SPK-DV, (7) SPK-DSVMV, EFE-CV, EFE-TVS | 2 or 3 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, EFE-CV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, ACL, EVAP, OC, FR, BP/EGR, (3) AIS, EFE EVAP-VC, BP/EGR-TVS, EFE-CV, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN P) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, SPK-DV, EFE-CV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS EVAP-VC, (6) BP/EGR-TVS, (6) SPK-TVS, (4) SPK-DV | 2 or 3 |
| 6.5L (400") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (8) EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, EFE-CV, EFE-TVS | 2 or 3 |
| 6.5L (403") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (6) AIS EVAP-VC, (3) BP/EGR-TVS, SPK-TVS, (9) SPK-DV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California and high altitude. (4) Federal and high altitude. (5) Some Federal. (6) California only. (7) With A/C. (8) Except Firebird. (9) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California and high altitude. |
| (4) | Federal and high altitude. |
1977 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, EFE | 1 |
| 5.0L (305") V8 Carb. | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, EFE | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, (6) AIS, EFE | 1 |
| 7.4L (454") V8 Carb. (7) | PCV, ACL, (4) EVAP, EGR, AIS, EFE | 1 |
| Heavy Duty Emissions (6001 GVWR Or More) (3) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, (8) ACL, (8) (4) EVAP | — |
| 5.7L (350") V8 2-Bbl. (7) | PCV, ACL | — |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (8) EVAP, SPK, (8) AIS EVAP-VC, SPK-SOL, SPK-TCS, (6) CCS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (8) (4) EVAP, (8) AIS | — |
| 6.5L (400") V8 4-Bbl. Carb. | PCV, ACL, (8) (4) EVAP, (8) AIS | — |
| 7.4L (454") V8 4-Bbl. Carb. | PCV, ACL, (8) (4) EVAP, (8) EGR, SPK, (8) AIS (9) SPK-SOL, SPK-TCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) Vapor canister type. (5) BP/EGR used on Calif. & high altitude. (6) "C", "K" & "G" Series with A/C only. (7) Federal only. (8) California only. (9) Models with A/C only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (5) | BP/EGR used on Calif. & high altitude. |
| (6) | "C", "K" & "G" Series with A/C only. |
1977 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 403" V8 Carb. | PCV, ACL, EVAP, (3) SPK SPK-DDD, TRC | — |
| 454" V8 Carb. | PCV, ACL, (3) (4) EVAP, (3) EGR, (3) AIS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. (4) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1977 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) (5) OC, (4) FR, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) 1976-80 crankcase storage type; 1981 vapor canister type. (4) California emissions. (5) Except some Federal models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | 1976-80 crankcase storage type; 1981 vapor canister type. |
| (5) | Except some Federal models. |
1977 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 3.2L (196") V6 2-Bbl | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EGR-TVS, EFE-CKV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, (3) AIS, EFE EVAP-VC, EGR-TVS, EFE-CKV, EFE-TVS, (5) ADS | 1 |
| 3.8L (231") V6 2-Bbl. Turbo | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EGR-TVS, EFE-CKV, EFE-TVS | 1 |
| 3.8L (231") V6 4-Bbl. Turbo | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC, EGR-TVS, EFE-CKV, EFE-TVS | 1 |
| 4.9L (301") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, (4) SPK-DSVMV, SPK-DTVS, (4) SPK-DVDV, EFE-CKV | 1 |
| 5.0L (305") V8 2-Bbl. & 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EGR-TVS, EFE-CKV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (6) AIS, EFE EVAP-VC, (6) EGR-DTVSW, EGR-TVS, EFE-CKV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, (6) EGR-DTVSW, SPK-DTVS, SPK-DVDV, SPK-AVM | 1 |
| 5.7L (350") V8 4-Bbl. (VIN X) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN 4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (3) AIS, EFE EVAP-VC, SPK-DTVS, (6) SPK-DVDV | 1 |
| 6.6L (403") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (7) AIS, EFE EVAP-VC, (6) EGR-DTVSW, SPK-DTVS, SPK-DVDV, SPK-AVM | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California & high altitude only. (4) A/T with A/C only. (5) Century, Regal, Skyhawk & Skylark with M/T. (6) California only. (7) Except VIN R & K. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California & high altitude only. |
| (5) | Century, Regal, Skyhawk & Skylark with M/T. |
1978 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 EFI | PCV, EVAP, OC, FR, BP/EGR, SPK, AP EVAP-VC, (3) SPK-DTVS, (4) SPK-ESS | 2 or 3 |
| 7.0L (425") V8 EFI | PCV, EVAP, OC, FR, BP/EGR, SPK, (5) AP EVAP-VC, BP/EGR-BPT, SPK-DTVS, (6) SPK-DVAS | 2 or 3 |
| 7.0L (425") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (7) AP, EFE EVAP-VC, (8) ACL-TVS, BP/EGR-TVS, SPK-DTVS, EFE-TVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California Seville only. (4) Seville only. (5) California only. (6) California DeVille & Brougham only. (7) Except Federal models. (8) Except California DeVille & Brougham. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California Seville only. |
| (6) | California DeVille & Brougham only. |
| (7) | Except Federal models. |
| (8) | Except California DeVille & Brougham. |
1978 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. California | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC | 3 |
| 5.7L (350") V8 4-Bbl. Federal | PCV, ACL, EVAP, OC, FR, EGR, (3) AIS, EFE EVAP-VC, (4) CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) On L-82 & high altitude engines only. (4) On L-48 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | On L-82 & high altitude engines only. |
1978 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 1-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, (4) AIS | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC, EFE EVAP-VC, SPK-DTVS | 1 |
| 3.2L (196") V6 2-Bbl. (3) | PCV, ACL, (3) EVAP, OC, FR, EGR, EFE | 1 |
| 3.3L (200) V6 2-Bbl. (3) | PCV, ACL, (3) EVAP, OC, FR, EGR, SPK, EFE | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, (4) AIS, EFE EVAP-VC, EVAP-CPTVS | 1 |
| 4.2L (250") 6-Cyl. 1-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, SPK, (5) AIS, EFE | 1 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (4) AIS, EFE EVAP-VC, (5) SPK-DV | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, (4) AIS, EFE | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. (4) California, high altitude & L82. (5) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | California, high altitude & L82. |
1978 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC+OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-RDVLV, SPK-TVS, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, EFE-CV, EFE-TVS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS EVAP-VC, BP/EGR-TCV, (3) BP/EGR-TVS, SPK-AVM, (3) SPK-DCKV, SPK-TVS | 2 or 3 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, (3) BP/EGR, SPK, (3) AIS, EFE EVAP-VC, (3) EVAP-TVS, (3) BP/EGR-TVS, (4) SPK-DV, EFE-CV, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN L) (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, EGR-TVS, EFE-CV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (4) AIS EVAP-VC, (4) BP/EGR-TVS, BP/EGR-TCVLV, (3) SPK-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN X) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, EVAP-TVS, EGR-TVS, EFE-TVS | 1 |
| 6.0L (403") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (4) AIS EVAP-VC, BP/EGR-TCVLV, BP/EGR-TVS, (3) SPK-TVS, (5) SPK-EST | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California & high altitude only. (4) California only. (5) Toronado only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California & high altitude only. |
1978 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, (3) OC, (4) TWC, FR, EGR, SPK, (4) AIS, EFE EVAP-VC, EGR-TVS, SPK-TVS, SPK-DV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, (5) AIS, EFE EVAP-VC, EVAP-CPTVS, BP/EGR-TVS, EFE-CV, EFE-TVS | 2 or 3 |
| 5.0L (301") V8 2-Bbl. (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, SPK-DV, EFE-CV, EFE-TVS | 2 or 3 |
| 5.0L (301") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-TVS, SPK-DV, EFE-CV, EFE-TVS | 1 |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (5) AIS, EFE EVAP-VC, (4) SPK-DV, (5) AIS-DV, (3) EFE-CV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EFE-CV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (4) | PCV, (3) ACL, EVAP, OC, FR, EGR, SPK, (5) AIS, EFE EVAP-VC, EGR-CV, EGR-TVS, SPK-TVS, (5) AIS-DV, EFE-CV, EFE-TVS | 1 |
| 6.5L (400") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, (6) SPK-RDO, SPK-TVS, EFE-CV, EFE-TVS | 2 or 3 |
| 6.5L (403") V8 4-Bbl. (6) (5) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (7) AIS EVAP-VC, EGR-CV, EGR-TVS, SPK-TVS, AIS-DV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) California only. (5) California and high altitude. (6) A/T only. (7) Except high altitude. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (5) | California and high altitude. |
1978 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (6000 GVWR Or Less - Fed.; 8500 GVWR Or Less - Calif.) |
| 4.1L (250") 6-Cyl. 1-Bbl. | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, (6) AIS, EFE | 1 |
| 5.0L (305") V8 2-Bbl. (7) | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, EFE | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, (6) AIS, EFE | 1 |
| 6.5L (400") V8 4-Bbl. (8) | PCV, ACL, (4) EVAP, OC, FR, BP/EGR, AIS, EFE | 1 |
| 7.4L (454") V8 4-Bbl. | PCV, ACL, (4) EVAP, OC, FR, (5) EGR, AIS, EFE | 1 |
| Heavy Duty Emissions (6001 GVWR Or More - Fed.; 8501 GVWR Or More - Calif.) (3) |
| 4.1L (250") 6-Cyl. 1-Bbl. | PCV, ACL | — |
| 4.8L (292") 6-Cyl. 1-Bbl. | PCV, (9) ACL, (9) (10) EVAP | — |
| 5.0L (305") V8 2-Bbl. | PCV, ACL, (9) (10) SPK | — |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, (9) (10) EVAP, (9) (11) SPK, (9) AIS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (9) (10) EVAP, (9) AIS | — |
| 6.5L (400") V8 4-Bbl. | PCV, ACL, (9) (10) EVAP, (9) (11) SPK, (9) AIS | — |
| 7.4L (454") V8 4-Bbl. | PCV, ACL, (9) (10) EVAP, (9) EGR, (9) (11) SPK, (9) AIS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) High altitude only. (5) Except Federal models with A/T. (6) Refer to emissions label. (7) Calif. S10/15 is electronically controlled. (8) Calif. S10/15 only. (9) California only. (10) Vapor canister type. (11) Some are equipped with transmission controlled spark. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (5) | Except Federal models with A/T. |
| (6) | Refer to emissions label. |
| (7) | Calif. S10/15 is electronically controlled. |
| (11) | Some are equipped with transmission controlled spark. |
1978 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 403" V8 Carb. | PCV, ACL, EVAP, (3) SPK SPK-DDD, TRC | — |
| 454" V8 Carb. | PCV, ACL, (3) (4) EVAP, (3) EGR, (3) AIS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. (4) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1978 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) (5) OC, (4) FR, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) 1976-80 crankcase storage type; 1981 vapor canister type. (4) California emissions. (5) Except some Federal models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | 1976-80 crankcase storage type; 1981 vapor canister type. |
| (5) | Except some Federal models. |
1978 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 3.2L (196") V6 2-Bbl. (VIN C) (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-DTVS, SPK-AVM, EFE-CKV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A & 2) | PCV, ACL, EVAP, (4) TWC, FR, EGR, SPK, (4) AIS, (5) CEC, EFE EVAP-VC, ACL-TCV, EGR-TVS, (6) SPK-DTVS, (6) SPK-AVM, EFE-CKV, EFE-TVS | 1 |
| 3.8L (231") V6 4-Bbl. Turbo (VIN 3) | PCV, ACL, EVAP, OC, FR,, EGR, AIS, EFE (7) ACL-TCV, EVAP-VC, EGR-TVS, EFE-CKV, EFE-TVS | 1 |
| 4.9L (301") V8 2-Bbl. (VIN Y) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, SPK-DTVS, SPK-DVDV, SPK-RDVLV, EFE-TVS | 1 |
| 4.9L (301") V8 4-Bbl. (VIN W) | PCV, ACL, EVAP, OC, EGR, SPK, EFE EVAP-VC, SPK-DSVMV, SPK-DTVS, SPK-DVDV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (VIN H) | PCV, ACL, EVAP, OC, FR, EGR, (8) AIS, EFE EVAP-VC, EVAP-CPTVS, SPK-DTVS, SPK-DV, EFE-CKV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, ACL, EVAP, OC, FR, EGR, (8) AIS, EFE EVAP-VC, EVAP-CPTVS, EFE-CKV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (4) AIS EVAP-VC, SPK-DTVS, (4) EGR-DTVSW, EGR-TCV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN X) | PCV, ACL, EVAP, OC, FR, EGR, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, EFE-TVS | 1 |
| 6.6L (403") V8 4-Bbl. (VIN K) | PCV, ACL, EVAP, OC, FR, SPK, EGR, (4) AIS EVAP-VC, SPK-DTVS, EGR-DTVSW, EGR-TCV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) California only. (5) VIN 2 only. (6) Except VIN 2. (7) Riviera only. (8) California & high altitude only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (8) | California & high altitude only. |
1979 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 EFI (VIN B) | PCV, EVAP, TWC, FR, BP/EGR, (3) SPK, (4) AP, (5) O2S, CEC EVAP-VC, BP/EGR-BPT, (6) SPK-DTVS, SPK-ESS, (7) AP-DV | 2 or 3 |
| 7.0L (425") V8 EFI (VIN T) | PCV, EVAP, OC, FR, BP/EGR, (3) SPK, AP EVAP-VC, BP/EGR-BPT, SPK-DTVS, SPK-DVAS, AP-DV | 2 or 3 |
| 7.0L (425") V8 4-Bbl. (VIN S) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (8) AP, EFE EVAP-VC, BP/EGR-TCV, (8) SPK-ESS, (8) AP-DV, (9) EFE-TVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California & high altitude only. (4) Not used on California Seville. (5) California Seville only. (6) Except Federal Seville. (7) Federal Seville only. (8) Except Federal Deville & Brougham. (9) Electronically controlled. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California & high altitude only. |
| (4) | Not used on California Seville. |
| (5) | California Seville only. |
| (6) | Except Federal Seville. |
| (8) | Except Federal Deville & Brougham. |
| (9) | Electronically controlled. |
1979 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. California | PCV, ACL, EVAP, OC, FR, EGR, AIS, EFE EVAP-VC | 3 |
| 5.7L (350") V8 4-Bbl. Federal | PCV, ACL, EVAP, OC, FR, EGR, (3) AIS, EFE EVAP-VC, (4) CCS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) On L-82 & high altitude engines only. (4) On L-48 engine only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | On L-82 & high altitude engines only. |
1979 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (3) AIS EVAP-VC, (3) EGR-TVS, SPK-DVDV, (3) DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) | PCV, ACL, EVAP, TWC, FR, EGR, SPK EVAP-VC, EGR-TVS, SPK-DTVS, SPK-DVDV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 1) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, EFE EVAP-VC, SPK-DTVV, SPK-VRSW, EFE-TVV, CEAB, CEAB-TVV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) | PCV, ACL, EVAP, TWC, FR, EGR, SPK EVAP-VC, EGR-TVS, SPK-DTVS, SPK-DVDV | 1 |
| 2.8L (173") V6 2-Bbl. (VIN 7) (4) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DTVS, EFE-CV, EFE-TVS, DCLV | 1 |
| 2.8L (173") V6 2-Bbl. (VIN 7) (5) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, EVAP-CPTVS, BP/EGR-TVS, SPK-DTVS, SPK-DVDV, AIS-SV, EFE-CV, EFE-TVS, DCLV | 2 or 3 |
| 3.2L (196") V6 2-Bbl. (VIN C) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-DSVMV, SPK-DTVS, EFE-CV, EFE-TVS | 1 |
| 3.3L (200") V6 2-Bbl. (VIN M) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DTVS, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A) | PCV, ACL, EVAP, OC, (5) TWC, FR, BP/EGR, SPK, (3) AP, EFE EVAP-VC, EVAP-CPTVS, ACL-TCV, BP/EGR-TVS, SPK-DTVS, (6) SPK-DVDV, SPK-DSVMV, (3) AP-DV, EFE-CV, EFE-TVS | 2 or 3 |
| 4.2L (250") 6-Cyl. 1-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, (5) AP, EFE EVAP-VC, EGR-TVS, (4) SPK-DVDV, (5) SPK-DTVS, (5) AP-DV, EFE-TVS | 1 |
| 4.3L (267") V8 2-Bbl.. (VIN J) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DTVS, EFE-TVS | 1 |
| 5.0L (305") V8 2-Bbl. (VIN G) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (5) AP, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, (6) SPK-DTVS, (5) AP-DV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (VIN H) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (7) AP, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, (4) SPK-DTVS, (7) AP-DV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (5) AP EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DTVS, (7) AP-DV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN 4 & 8) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (8) AP, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, (9) SPK-DTVS, (8) AP-DV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California & high altitude. (4) Federal only. (5) California only. (6) California M/T only. (7) California, high altitude & L82. (8) Except some Federal VIN 4. (9) Used on some VIN 4 only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California & high altitude. |
| (7) | California, high altitude & L82. |
| (8) | Except some Federal VIN 4. |
| (9) | Used on some VIN 4 only. |
1979 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, BP/EGR-TVS, SPK-TVS, SPK-RDVLV | 2 or 3 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 1) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, O2S, CEC, EFE EVAP-VC, EFE-DTVS, CEAB, CEAB-TVS | 2 or 3 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) Omega | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (3) AIS EVAP-VC, BP/EGR-TVS, SPK-TVS, SPK-DV, (4) SPK-VRSW | 2 or 3 |
| 2.8L (173") V6 2-Bbl. (VIN 7) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-TVS, (3) SPK-DV, AIS-SV, EFE-TVS, (3) EFE-CV | 2 or 3 |
| 3.8L (231") V6 2-Bbl. (VIN A & 2) | PCV, ACL, EVAP, (3) TWC+OC, FR, BP/EGR, SPK, (3) (5) AIS, (3) CEC, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, (6) (5) SPK-AVM, (5) SPK-TVS, (3) (5) SPK-DV, EFE-CV, EFE-TVS | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (VIN F) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK EVAP-VC, BP/EGR-TCVLV, SPK-TVS, (3) SPK-DV, (7) SPK-AVM | 2 or 3 |
| 5.0L (301") V8 2-Bbl. (VIN Y) (8) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, SPK-TVS, SPK-DVRV, SPK-RDVLV, EFE-TVS | 2 or 3 |
| 5.0L (305") V8 2-Bbl. (VIN G) | PCV, ACL, EVAP, OC, FE, BP/EGR, SPK, (3) AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, (9) SPK-DV, (9) SPK-TVS, EFE-CV, (3) EFE-DTVS, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN L) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, EFE-CV, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS EVAP-VC, (3) BP/EGR-TVS, BP/EGR-TCVLV, (6) SPK-TVS, (10) SPK-DV | 2 or 3 |
| 6.6L (403") V8 4-Bbl. (VIN K) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (6) AIS, EFE EVAP-VC, (6) EVAP-TVS, BP/EGR-TVS, BP/EGR-TCVLV, (6) SPK-TVS, (10) SPK-DV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) Except California. (5) Except VIN 2. (6) California & high altitude only. (7) Federal & high altitude. (8) Federal only. (9) Omega only. (10) High altitude only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (6) | California & high altitude only. |
| (7) | Federal & high altitude. |
1979 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DV, SPK-TVS | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 1) (4) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC, EFE EVAP-VC, EGR-TVS, EFE-TVS, CEAB, CEAB-TVS, CESS | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, OC, (4) TWC, FR, BP/EGR, SPK, (5) AIS, EFE EVAP-VC, (5) EVAP-CPTVS, BP/EGR-TVS, SPK-TVS, SPK-DSVMV, EFE-CV, EFE-TVS | 2 or 3 |
| 4.9L (301") V8 2-Bbl. (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, SPK-DV, SPK-DSVMV, EFE-CV, EFE-TVS | 2 or 3 |
| 4.9L (301") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-TVS, (6) SPK-DV, (6) SPK-DSVMV, EFE-CV, EFE-TVS | 1 |
| 5.0L (305") V8 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, SPK-TVS, AP-DV, EFE-TVS, EFE-CV | 1 |
| 5.0L (305") V8 4-Bbl. (5) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, AP-DV, EFE-CV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN L) (5) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EVAP-TVS, EGR-TVS, AP-DV, EFE-CV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, EGR-TVV, SPK-TVS, AP-DV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN X) (5) | PCV, ACL, EVAP, OC, FR, EGR, SPK, EFE EVAP-VC, EVAP-TVS, EGR-TVS, EFE-TVS | 1 |
| 6.5L (400") V8 4-Bbl. (VIN Z) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, SPK-DSVMV, EFE-CV, EFE-TVS | 2 or 3 |
| 6.6L (403") V8 4-Bbl. (VIN K) | PCV, ACL, EVAP, OC, FR, EGR, SPK, (4) AP EVAP-VC, EGR-TVV, (4) EGR-TVS, (4) AP-DV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) California only. (5) California and high altitude. (6) A/T only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (5) | California and high altitude. |
1979 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (8500 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, (4) EVAP, OC, FR, EGR, (5) SPK, (6) PAIR, EFE | 1 |
| 5.0L (305") V8 Carb. | PCV, ACL, (4) EVAP, OC, FR, BP/EGR, (5) SPK, EFE | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, (4) EVAP, OC, FR, BP/EGR, (5) SPK, (7) AIS, EFE | 1 |
| 6.5L (400") V8 Carb. | PCV, ACL, (4) EVAP, OC, FR, (8) EGR, (5) SPK, (6) AIS, EFE | 1 |
| 7.4L (454") V8 Carb. | PCV, ACL, (4) EVAP, OC, FR, (8) EGR, (5) SPK, AIS, EFE | 1 |
| Heavy Duty Emissions (8501 GVWR Or More) (3) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, (5) SPK | — |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, (6) (4) EVAP, (5) SPK, AIS | — |
| 5.0L (305") V8 Carb. | PCV, ACL, (5) ACL | — |
| 5.7L (350") V8 Carb. | PCV, ACL, (6) (4) EVAP, (5) SPK, AIS, (9) EFE | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (6) (4) EVAP, AIS | — |
| 6.5L (400") V8 Carb. | PCV, ACL, (6) (4) EVAP, (4) SPK, AIS, EFE | — |
| 7.4L (454") V8 Carb. | PCV, ACL, (6) (4) EVAP, (9) EGR, (5) SPK, AIS, EFE TRC | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) Vapor canister type. (5) Some are equipped with transmission controlled spark. (6) California only. (7) California and Federal high altitude automatic. (8) Refer to emissions label. (9) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (5) | Some are equipped with transmission controlled spark. |
| (7) | California and Federal high altitude automatic. |
| (8) | Refer to emissions label. |
1979 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 454" V8 Carb. | PCV, ACL, (3) EVAP, (3) EGR, (3) SPK, AIS, EFE EVAP-VC, SPK-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1979 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) (5) OC, (4) FR, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) 1976-80 crankcase storage type; 1981 vapor canister type. (4) California emissions. (5) Except some Federal models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | 1976-80 crankcase storage type; 1981 vapor canister type. |
| (5) | Except some Federal models. |
1979 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, (4) SPK, CEC, EFE EVAP-VC, (5) SPK-DTVS, (4) SPK-RDVLV, (5) EGR-TVS, DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (6) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, CEC, EFE EVAP-VC, EGR-TVS, DCLV | 1 |
| 2.8L (173") V6 2-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, CEC, EFE EVAP-VC, EVAP-CPTVS, EVAP-TPCV, EGR-TVS, EFE-TVS, DCLV | 1 |
| 2.8L (174") V6 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, PAIR, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, EFE-TVS, DCLV | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, AIS-VCV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A) (6) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, (7) CEC, EFE EVAP-VC, (5) EVAP-CPTVS, EGR-TVS, (4) SPK-DTVS, AP-ACV, EFE-TVS, NLV | 1 |
| 3.8L (231") V6 4-Bbl. Turbo (VIN 3) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, AP-VCV, AP-ASV, AP-DV, EFE-SOL | 1 |
| 3.8L (231") V6 4-Bbl. Turbo (VIN 3) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TS, AP-ACV, AP-DV, EFE-TVS | 1 |
| 4.1L (252") V6 4-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-ACV, EFE-TVS, NLV | 1 |
| 4.3L (265") V8 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, SPK-DV, SPK-TVS, AP-DV | 1 |
| 4.9L (301") V8 4-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, (4) AP-VCV, (4) AP-DV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, CEC EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DTVS, SPK-AVM | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, SPK-DV | 1 |
| 5.7L (350") V8 4-Bbl. (VIN X) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, EVAP-CPTVS, EFE-TVS, NLV, DKV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) Some models. (5) M/T only. (6) Federal only. (7) Some Federal models. See California listing. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (7) | Some Federal models. See California listing. |
1980 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 4.1L (252") V6 4-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, EFE EVAP-VC, BP/EGR-TVS, SPK-ESS, SPK-DTVS, AP-ACV, EFE-TVS, NLV | 2 or 3 |
| 5.7L (350") V8 EFI (4) | PCV, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S EVAP-VC, BP/EGR-SOL, SPK-ESS, AP-SV, AP-ACV | 2 or 3 |
| 6.0L (368") V8 EFI (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AP, EFE EVAP-VC, EVAP-TVS, BP/EGR-SOL, SPK-ESS, AP-DV, EFE-TVS | 2 or 3 |
| 6.0L (368") V8 4-Bbl. (4) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, EFE EVAP-VC, BP/EGR-DTVSW, SPK-ESS, AP-ACV | 2 or 3 |
| 6.0L (368") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AP, EFE EVAP-VC, BP/EGR-DTVSW, SPK-ESS, AP-DV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Federal only. (4) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1980 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.0L (305") V8 4-Bbl. California | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC, MIL, EFE EVAP-VC, SPK-EST, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. Federal | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, SPK-TVS, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1980 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.9L (98") 4-Cyl. 2-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, CEC EVAP-VC, EVAP-CPTVS, EGR0TVS, DCLV | 1 |
| 1.6L (98") 4-Cyl. 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC, EFE EVAP-VC, EGR-TVS, SPK-TVS, DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) (4) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC, EFE EVAP-VC, EGR-TVS, SPK-DTVS, SPK, TVS, DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC, EFE EVAP-VC, (5) EGR-TVS, (5) SPK-DTVS, (6) SPK-RDVLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (4) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-DTVS, DCLV | 1 |
| 2.8L (173") V6 2-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE, MIL EVAP-VC, EVAP-CPTVS, EGR-TVS, EFE-TVS, DCLV | 1 |
| 2.8L (173") V6 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, PAIR, EFE EVAP-VC, EVAP-TPCV, EVAP-CPTVS, EGR-TVS, EFE-TVS, DCLV | 1 |
| 3.8L (229") V6 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK AP, EFE EVAP-VC, EGR-TVS, AP-DV, EFE-TVS | 1 |
| 3.8L (231") Turbo V6 (VIN 3) (3) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, AP-ACV, AP-DV, EFE-SOL | 1 |
| 3.8L (231") Turbo V6 (VIN 3) (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, AP-ACV, AP-DV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, AIS-AMV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (VIN A) (4) (7) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, (7) CEC, EFE EVAP-VC, (5) EVAP-CPTVS, EGR-TVS, (6) SPK-DTVS, AIS-AMV, EFE-TVS, NLV | 1 |
| 4.3L (267") V8 2-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, SPK, (6) AP, O2S, CEC, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (4) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, (6) AP-ACV, (6) AP-DV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN L) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN 6 & 8) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-DTVS, AP-DV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) Federal only. (5) M/T only. (6) Some models. (7) Some Federal models use C-4. See California listing. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (7) | Some Federal models use C-4. See California listing. |
1980 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS | 2 or 3 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (3) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC, EFE EVAP-VC, BP/EGR-TVS, (4) SPK-TVS, (5) SPK-RDVLV | 2 or 3 |
| 2.5L (151") 4-Cyl. (VIN 5) (6) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, CEC, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS | 2 or 3 |
| 2.8L (173") V6 2-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, AIS, CEC, EFE EVAP-VC, EVAP-TVS, EVAP-TPCV, BP/EGR-TVS, SPK-EST, EFE-TVS | 2 or 3 |
| 2.8L (173") V6 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, PAIR, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-EST, EFE-TVS | 2 or 3 |
| 3.8L (231") V6 2-Bbl. (VIN A) (3) | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, AP, CEC, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, AP-ACV, SPK-EST, EFE-TVS | 2 or 3 |
| 3.8L (231") V6 2-Bbl. (VIN A) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AP, EFE EVAP-VC, (4) EVAP-TVS, BP/EGR-TVS, SPK-TVS, AP-ACV, EFE-TVS, NLV | 2 or 3 |
| 4.3L (260") V8 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-AVM, SPK-DV, EFE-DTVS | 2 or 3 |
| 5.0L (305") V8 4-Bbl. (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, O2S, AP, CEC, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, AP-DV, EFE-TVS | 2 or 3 |
| 5.0L (305") V8 4-Bbl. (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AP, EFE EVAP-VC, BP/EGR-TVS, SPK-TVS, (5) AP-ACV, (5) AP-DV, EFE-TVS | 2 or 3 |
| 5.0L (307") V8 4-Bbl. (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-AVM, SPK-DV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN R) (3) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, O2S, AP, CEC EVAP-VC, BP/EGR-TVS, SPK-TVS | 2 or 3 |
| 5.7L (350") V8 4-Bbl. (VIN R) (6) | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-DV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) M/T only. (5) Some models. (6) Federal only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1980 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN V) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, (3) O2S, (3) CEC, EFE EVAP-VC, EGR-TVS, SPK-TVS, DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC, EFE EVAP-VC, (4) EGR-TVS, (4) SPK-TVS, (5) SPK-RDVLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. (VIN 5) (6) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, EFE EVAP-VC, EGR-TVS, SPK-TVS, DCLV | 1 |
| 2.8L (173") V6 2-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, CEC, EFE EVAP-VC, EVAP-TPCV, EGR-TVS, SPK-DTVS, EFE-TVS, DCLV | 1 |
| 2.8L (173") V6 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, PAIR, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, EFE-TVS, DCLV | 1 |
| 3.8L (229") V6 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EFE-TVS, (5) EGR-TVS, AP-DV | 1 |
| 3.8L (231") V6 2-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, AP-ACV, EFE-TVS | 1 |
| 3.8L (231") V6 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, EFE EVAP-VC, (4) EVAP-CPTVS, (5) SPK-TVS, EGR-TVS, AIS-ACV, EFE-TVS, NLV | 1 |
| 4.3L (265") V8 2-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, SPK-TVS, SPK-DV, AP-ACV | 1 |
| 4.9L (301") V8 4-Bbl. (6) | PCV, ACL, (7) EVAP, OC, FR, EGR, SPK, EFE | 1 |
| 5.0L (305") V8 Turbo (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EGR-TVS, SPK-TVS, AP-DV | 1 |
| 5.0L (305") V8 4-Bbl. (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, SPK-TVS, AP-DV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, CEC, EFE EVAP-VC, EGR-TVS, SPK-TVS, AP-DV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. (VIN R) (3) | PCV, ACL, EVAP, TWC, FR, EGR, SPK, CEC EVAP-VC, EVAP-CPTVS, EGR-DTVSW, SPK-TVS, SPK-AVM | 1 |
| 5.7L (350") V8 4-Bbl. (VIN X) (6) | PCV, ACL, EVAP, OC, FR, EGR, SPK, AP, EFE EVAP-VC, EVAP-CPTVS, EGR-TVS, AP-ACV, EFE-TVS, NLV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) California only. (4) M/T only. (5) Some models. (6) Federal only. (7) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1980 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (8500 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, OC, FR, (4) EGR, SPK, PAIR, EFE EVAP-VC, EGR-TVS, SPK-DV, SPK-TVS, EFE-TVS, (5) DCLV | 1 |
| 5.0L (305") V8 Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, SPK-DV, EFE-TVS | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (4) AP, EFE EVAP-VC, BP/EGR-TVS, SPK-DV, (4) AP-DV, EFE-TVS | 1 |
| 6.5L (400") V8 Carb. | PCV, ACL, (6) EVAP, OC, FR, EGR, (7) SPK, (8) AIS, EFE | 1 |
| Heavy Duty Emissions (8501 GVWR Or More) (3) |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, (8) EVAP, SPK, AP EVAP-VC, SPK-DV, SPK-TVS, AP-DV | — |
| 5.7L (350") V8 Carb. | PCV, ACL, (8) EVAP, SPK, (8) AP, (4) EFE EVAP-VC, SPK-DV, SPK-TVS, AP-DV, (4) EFE-TVS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (8) (6) EVAP, AIS | — |
| 6.5L (400") V8 Carb. | PCV, ACL, (8) EVAP, SPK, AP, (4) EFE EVAP-VC, SPK-DV, SPK-TVS, AP-DV, (4) EFE-TVS | — |
| 7.4L (454") V8 Carb. | PCV, ACL, (8) EVAP, SPK, AP, (4) EFE EVAP-VC, SPK-TVS, AP-DV, (4) EFE-TVS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) Some models. (5) Except Federal models with A/T. (6) Vapor canister type. (7) Some are equipped with transmission controlled spark. (8) California only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (5) | Except Federal models with A/T. |
| (7) | Some are equipped with transmission controlled spark. |
1980 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 454" V8 Carb. | PCV, ACL, (3) EVAP, (4) EGR, (3) SPK, AIS, EFE EVAP-VC, SPK-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1980 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) (5) OC, (4) FR, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) 1976-80 crankcase storage type; 1981 vapor canister type. (4) California emissions. (5) Except some Federal models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | 1976-80 crankcase storage type; 1981 vapor canister type. |
| (5) | Except some Federal models. |
1980 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EGR-TVV, SPK-CC, AP-DV | 1 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, EGR-TVS, SPK-CC, AP-ACV, DCLV | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-SOL, SPK-CC, AP-VCV, EFE-SOL | 1 |
| 3.8L (231") V6 4-Bbl. Turbo | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, SPK-CC, AP-DV, EFE-SOL | 1 |
| 4.1L (252") V6 4-Bbl. | PCV, ACL, EVAP, OC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-CC, AP-VCV, EFE-SOL | 1 |
| 4.3L (265") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-CPTVS, EGR-SOL, SPK-CC, AP-ACV, EFE-TVS | 1 |
| 4.4L (267") V8 2-Bbl. | PCV, ACL, EVAP, OC, FR, (3) EGR, SPK, AIS, O2S, CEC, EFE EVAP-CPCS, EGR-SOL, SPK-CC, EFE-TVV | 1 |
| 5.0L (305") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-CPTVS, EGR-SOL, SPK-CC, AP-ACV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1981 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.8L (113") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EVAP-FTCV, BP/EGR-TVS, SPK-EST, DCLV | 2 or 3 |
| 4.1L (262") V6 MFI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EGR-SOL, AP-ACV, (4) SPK-ESC, SPK-EST, EFE-SOL | 1 |
| 6.0L (368") V8-6-4 DFI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE, MIL EVAP-VC, EVAP-CPCS, EGR-SOL, SPK-EST, AP-CKV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1981 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-TVS, EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1981 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, FR, EGR, SPK, PAIR, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, SPK-EST, DCLV | 1 |
| 1.8L (111") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, BP/EGR-TVS, SPK-EST, DCLV | 2 or 3 |
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, BP/EGR-TVV, SPK-EST, AP-DV | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, BP/EGR-TVS, AP-ACV, SPK-EST, DCLV | 2 or 3 |
| 3.8L (229") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC EVAP-CPTVS, EGR-SOL, SPK-DTVS, SPK-EST, AP-ACV | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EGR-SOL, SPK-EST, AP-ACV, EFE-SOL | 1 |
| 3.9L (231") Turbo V6 4-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-EST, AP-DV | 1 |
| 4.4L (257") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 1 |
| 5.0L (305") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 1 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, AP, SPK, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1981 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EGR-TVV, SPK-EST, AP-DV | 1 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, EGR-TVS, SPK-EST | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, BP/EGR-SOL, SPK-EST, AP-ACV, EFE-SOL | 2 or 3 |
| 4.1L (252") V6 4-Bbl. | PCV. ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-TVS, BP/EGR-SOL, SPK-EST, AP-ACV, EFE-SOL | 2 or 3 |
| 4.3L (260") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-EST, EFE-TVS | 2 or 3 |
| 4.4L (267") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-TVS, BP/EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 2 or 3 |
| 5.0L (305") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-TVS, BP/EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 2 or 3 |
| 5.0L (307") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-TVS, BP/EGR-SOL, SPK-EST, EFE-TVV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1981 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, SPK-CC, DCLV | 1 |
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, BP/EGR-TVV, SPK-CC, AP-DV | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, EGR-TVS, SPK-CC, AP-ACV, DCLV | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-SOL, SPK-CC, AP-ACV, EFE-SOL | 1 |
| 4.3L (265") V8 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-SOL, SPK-CC, EFE-TVV | 1 |
| 4.4L (267") V8 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-CC, AP-ACV, EFE-TVS | 1 |
| 4.9L (301") V8 4-Bbl. Non-Turbo | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, AP-ACV, SPK-CC, EFE-TVV | 1 |
| 4.9L (301") V8 4-Bbl. Turbo | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EGR-SOL, SPK-CC, AP-ACV | 1 |
| 5.0L (305") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-CC, AP-ACV, EFE-TVS | 1 |
| 5.0L (307") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPTVS, EGR-SOL, SPK-CC, EFE-TVV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1981 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (8500 GVWR Or Less) |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (4) (5) AIS, EFE EVAP-VC, EVAP-TVS, BP/EGR-TVS, SPK-RDVLV, EFE-TVS, (6) DCLV | 1 |
| 5.0L (305") V8 Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, EFE EVAP-VC, BP/EGR-TVS, SPK-DV, EFE-TVS | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, BP/EGR-TVS, SPK-DV, SPK-TVS, EFE-TVS, DCLV | 1 |
| Heavy Duty Emissions (8501 GVWR Or More) (3) |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, (4) EVAP, SPK, AP EVAP-VC, SPK-DV, SPK-TVS, AP-DV | — |
| 5.0L (305") V8 Carb. | PCV, ACL, (4) EVAP, BP/EGR, SPK, AIS, EFE EVAP-VC, BP/EGR-TVS, SPK-DV, SPK-TVS, EFE-TVS | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, (4) EVAP, SPK, AIS, EFE EVAP-VC, SPK-DV, SPK-TVS, EFE-TVS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (4) (7) EVAP, AIS | — |
| 7.4L (454") V8 Carb. | PCV, ACL, (4) EVAP, SPK, AIS, EFE EVAP-VC, SPK-TVS, EFE-TVS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) California only. (5) Some with A/T use PAIR. (6) Except Federal models with A/T. (7) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (5) | Some with A/T use PAIR. |
| (6) | Except Federal models with A/T. |
1981 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 454" V8 Carb. | PCV, ACL, (3) EVAP, (4) EGR, (3) SPK, AIS, EFE EVAP-VC, SPK-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1981 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, (4) (5) OC, (4) FR, EGR, AIS CRV | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) 1976-80 crankcase storage type; 1981 vapor canister type. (4) California emissions. (5) Except some Federal models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | 1976-80 crankcase storage type; 1981 vapor canister type. |
| (5) | Except some Federal models. |
1981 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.8L (112") 4-Cyl. EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, BP/EGR-BPV, SPK-CC | 2 or 3 |
| 1.8L (112") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-FBVV, EVAP-TPCV, BP/EGR-BPV, SPK-CC, AP-AMV, DCLV | 2 or 3 |
| 2.0L (122") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-FBVV, EVAP-TPCV, BP/EGR-BPV, SPK-CC, AP-AMV, DCLV | 2 or 3 |
| 2.5L (151") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-BPV, SPK-CC | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-FBVV, EVAP-TPCV, EGR-BPV, (4) EGR-SOL, EGR-TVS, SPK-CC, AP-AMV, DCLV | 1 |
| 3.0L (181") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-CC | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-CC | 1 |
| 4.1L (252") V6 4-Bbl. | PCV, ACL, EVAP, OC, FR, (3) EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-CC | 1 |
| 5.0L (307") V8 4-Bbl. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, EVAP-CPTVS, BP/EGR-BPV, SPK-CC, AP-VCV, EFE-TVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Refer to underhood emissions label. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Refer to underhood emissions label. |
1982 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.8L (113") 4-Cyl. EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, BP/EGR-BPV, SPK-EST | 2 or 3 |
| 1.8L (113") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVV, EVAP-TPCV, BP/EGR-BPV, SPK-EST, AP-AMV, DCLV | 2 or 3 |
| 2.0L (122") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVV, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, SPK-EST, AP-AMV, DCLV | 2 or 3 |
| 4.1L (250") V8 MFI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-BPV, EGR-SOL, SPK-EST, (4) SPK-ESC, AP-AMV | 1 |
| 4.1L (252") V6 4-Bbl. | PCV, ACL, (5) EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE | 1 |
| 6.0L (368") V8 MFI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-BPV, EGR-SOL, SPK-EST, AP-ACV, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. (4) Some models. (5) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1982 Cadillac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, BP/EGR-BPV, BP/EGR-SOL, SPK-EST, AP-ACV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1982 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, (3) EVAP-CPCS, EVAP-TPCV, BP/EGR-BPV, SPK-EST, DCLV | 2 or 3 |
| 1.8L (111") 4-Cyl. EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, BP/EGR-BPV, SPK-EST | 2 or 3 |
| 1.8L (111") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, BP/EGR-BPV, SPK-EST, AIS-AMV, DCLV | 2 or 3 |
| 2.0L (122") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-TPCV, BP/EGR-BPV, SPK-EST, AIS-AMV, DCLV | 2 or 3 |
| 2.5L (151") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, (4) EVAP-CPCS, (5) EVAP-CPCV, BP/EGR-BPV, SPK-EST | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, BP/EGR-SOL, BP/EGR-TVS, SPK-EST, AIS-AMV, DCLV | 2 or 3 |
| 3.8L (229") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EVAP-CPTVS, BP/EGR-BPV, BP/EGR-SOL, SPK-EST, AIS-AMV, EFE-TVS | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (6) EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-EST | 1 |
| 4.4L (267") V6 2-Bbl. | PCV, ACL, EVAP, VC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EVAP-CPTVS, BP/EGR-BPV, BP/EGR-SOL, SPK-EST, AIS, AMV, EFE-TVS | 2 or 3 |
| 5.0L (307") V8 4-Bbl. & 5.0L (305") V8 TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EVAP-CPTVS, BP/EGR-BPV, BP/EGR-SOL, SPK-EST, AP-AMV, EFE-TVS | 2 or 3 |
| 5.7L (350") V8 EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCS, BP/EGR-BPV, BP/EGR-SOL, SPK-EST, AP-ACV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) M/T only. (4) Camaro. (5) Celebrity & Citation. (6) Electronically controlled. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (6) | Electronically controlled. |
1982 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.8L (112") 4-Cyl. EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, BP/EGR-BPV, SPK-EST | 2 or 3 |
| 1.8L (112") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVS, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, SPK-EST, AP-AMV | 2 or 3 |
| 2.0L (122") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVS, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, SPK-EST, AP-AMV | 2 or 3 |
| 2.5L (151") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-BPV, SPK-EST | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVV, EVAP-TPCV, EVAP-CPCS, EGR-BPV, (4) EGR-SOL, EGR-TVS, SPK-EST, AP-AMV | 2 or 3 |
| 3.0L (181") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-EST | 1 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-EST | 1 |
| 4.1L (252") V6 4-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-EST | 1 |
| 4.3L (260") V8 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EVAP-TVS, BP/EGR-BPV, SPK-EST, AP-ACV, EFE-TVS | 2 or 3 |
| 5.0L (307") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, EVAP-TVS, BP/EGR-BPV, SPK-EST, AP-ACV, EFE-TVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1982 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, (3) EVAP-CPCS, EVAP-TPCV, BP/EGR-BPV, SPK-CC, DCLV | 2 or 3 |
| 1.8L (112") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, BP/EGR-BPV, SPK-CC | 2 or 3 |
| 1.8L (112") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVV, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, SPK-CC, AP-AMV, DCLV | 2 or 3 |
| 2.0L (122") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVV, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, SPK-CC, AP-AMV, DCLV | 2 or 3 |
| 2.5L (151") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, (4) EVAP-CPCS, (5) EVAP-CPCV, BP/EGR-BPV, SPK-CC | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-FBVV, EVAP-TPCV, EVAP-CPCS, BP/EGR-BPV, (6) BP/EGR-SOL, BP/EGR-TVS, SPK-CC, AP-AMV, DCLV | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-CC | 1 |
| 4.1L (252") V6 4-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, SPK-CC | 1 |
| 5.0L (307") V8 4-Bbl. & 5.0L (305") V8 TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EVAP-CPTVS, BP/EGR-BPV, BP/EGR-SOL, SPK-CC, AP-AMV, EFE-TVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Some models. (4) Firebird. (5) Phoenix and 6000. (6) Some applications. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
1982 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (8500 GVWR Or Less) |
| 1.9L (116") 4-Cyl. Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, (4) CEC EVAP-VC, ACL-BMS, ACL-VM, BP/EGR-BPT, BP/EGR-DV, BP/EGR-TVS, SPK-DVRV, HIC | 1 |
| 2.8L (173") V6 Carb. | PCV, ACL, EVAP, OC, (4) TWC, FR, (5) BP/EGR, SPK, AIS, (4) O2S, (6) CEC EVAP-VC, ACL-BMS, ACL-VM, EVAP-CPTVS, (7) BP/EGR-BS, BP/EGR-TVS, (8) BP/EGR-TCTVS, (7) SPK-DV, (9) SPK-DRCV, DCLV | 1 |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (4) PAIR, EFE EVAP-VC, ACL-BMS, EVAP-TVS, (9) BP/EGR-BS, (9) BP/EGR-RST, BP/EGR-TVS, SPK-RDVLV, (4) PAIR-DV, EFE-TVS | 1 |
| 5.0L (305") V8 Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, (7) AIS, EFE EVAP-VC, ACL-BMS, ACL-VM, (4) BP/EGR-BS, BP/EGR-TVS, (9) SPK-DVRV, (4) AIS-DV, EFE-TVS, (4) DCLV | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, EVAP, OC, FR, BP/EGR, SPK, AIS, EFE EVAP-VC, ACL-BMS, ACL-VM, (4) BP/EGR-BS, BP/EGR-TVS, (9) SPK-DV, (4) AIS-DV, EFE-TVS, (4) DCLV | 1 |
| Heavy Duty Emissions (8501 GVWR Or More) (3) |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, (7) EVAP, SPK, AIS EVAP-VC, ACL-BMS, ACL-VM, SPK-DV, SPK-TVS, AIS-DV | — |
| 5.7L (350") V8 Carb. | PCV, ACL, (7) EVAP, SPK, AIS, EFE EVAP-VC, ACL-BMS, ACL-VM, SPK-TVS, AIS-DV, EFE-TVS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (7) (5) EVAP, AIS | — |
| 7.4L (454") V8 Carb. | PCV, ACL, (7) EVAP, SPK, AIS, EFE EVAP-VC, ACL-BMS, ACL-VM, SPK-TVS, AIS-DV, EFE-TVS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) Some models. (5) Vapor canister type. (6) Calif. S10/15 only. (7) California only. (8) A/T only. (9) High altitude only. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
1982 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 454" V8 Carb. | PCV, ACL, (3) EVAP, (4) EGR, (3) SPK, AIS, EFE EVAP-VC, SPK-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1982 Class "A" Motor Homes
| Model, Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| LUV 2-Bbl. | PCV, ACL, (3) EVAP, OC, FR, EGR, AIS, EFE | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. (3) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - IMPORTED in EGR FUNCTION TESTING section. Use specified test number. |
1982 Imported Cars & Trucks
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.8L (112") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, SPK-CC | 2 or 3 |
| 2.0L (122") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, PAIR, O2S, CEC EVAP-VC, EVAP-CPCV, EGR-CS, SPK-CC, PAIR-ASOV, PAIR-PAV | 1 |
| 2.5L (151") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, EGR, SPK, O2S, CEC EVAP-VC, SPK-CC | 1 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, EGR-CS, SPK-CC, AP-AMV | 1 or 4 |
| 3.0L (181") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, (4) EFE EVAP-VC, EVAP-CPCV, SPK-CC | 1 |
| 3.8L (231") V6 Turbo | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCV, EGR-CS, EGR-VRV, SPK-CC | 1 or 4 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AIS, O2S, CEC, (5) EFE EVAP-VC, EVAP-CPCV, EGR-CS, (5) EGR-VRV, SPK-CC | 1 or 4 |
| 4.1L (252") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, BP/EGR-VSV, SPK-CC, EFE-VSV | 2 or 3 |
| 5.0L (307") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EGR-CS, SPK-CC, EFE-TVS | 1 or 4 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. (4) Century. (5) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1983 Buick (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 2.0L (122") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, PAIR, O2S, CEC EVAP-VC, EVAP-CPCS, EVAP-FBVV, EGR-CS, SPK-EST, PAIR-ASOV | 1 |
| 4.1L (250") V8 MFI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-CS, SPK-EST, (4) SPK-ESC, AP-AMV | 1 |
| 6.0L (368") V8 MFI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCS, EGR-CS, SPK-EST, AP-AMV, EFE-TVS | 1 |
| 6.0L (368") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, AP, O2S, CEC, EFE EVAP-VC, EGR-TVS, SPK-EST, EFE-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS under DOMESTIC CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS under DOMESTIC CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1983 Cadillac (Domestic Cars)
| Engine & Fuel System 1 | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 5.7L (350") V8 MFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-EST, AIS-AMV | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS under DOMESTIC CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS under DOMESTIC CARS in EGR FUNCTION TESTING section. Use specified test number. |
1983 Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCV, (3) SPK-TCS, AIS-AMV, DCLV | 2 or 3 |
| 2.0L (122") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, PAIR, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-EST, PAIR-ASOV, PAIR-PAV, (3) DCLV | 2 or 3 |
| 2.5L (151") 4-Cyl. TBI | PCV, EVAP, TWC, FR, (4) EGR, SPK, O2S, CEC EVAP-VC, SPK-EST | 2 or 3 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-EST, AIS-AMV, DCLV | 2 or 3 |
| 3.8L (229") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-EST, AIS-AMV, EFE-TVS | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, (3) EFE EVAP-VC, EVAP-CPCV, BP/EGR-CS, (3) BP/EGR-VRV, SPK-EST, DCLV | 2 or 3 |
| 4.4L (267") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EVAP-CPTVS, BP/EGR-BPV, BP/EGR-SOL, SPK-EST, AIS-AMV, EFE-TVS | 2 or 3 |
| 5.0L (305") V8 FI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-EST, AIS-AMV | 2 or 3 |
| 5.0L (305") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, BP/EGR-CS, AIS-AMV, SPK-EST, EFE-TVV | 2 or 3 |
| 5.7L (350") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-EST, AIS-AMV, EFE-TVS | 2 or 3 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Some applications. (4) Electronically controlled. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (4) | Electronically controlled. |
1983 Chevrolet - Except Corvette (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.8L (112") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC EVAP-VC, SPK-EST | 2 or 3 |
| 2.0L (122") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, PAIR, O2S, CEC EVAP-VC, EVAP-CPCV, EGR-CS, SPK-EST, PAIR-ASOV, PAIR-ACV | 4 |
| 2.5L (151") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, EGR, SPK, O2S, CEC EVAP-VC, SPK-EST | 1 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, EGR-CS, SPK-EST, AP-AMV | 1 |
| 3.0L (181") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, (4) EFE EVAP-VC, EVAP-CPCV, SPK-EST | 2 or 3 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AIS, O2S, CEC, (5) EFE EVAP-VC, EVAP-CPCV, EGR-CS, SPK-EST | 1 |
| 4.1L (252") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, BP/EGR-VSV, SPK-EST | 2 or 3 |
| 5.0L (307") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, (3) EGR, SPK, AIS, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, EGR-CS, EFE-TVS, SPK-EST | 4 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Electronically controlled. (4) Ciera only. (5) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | Electronically controlled. |
1983 Oldsmobile (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 1.6L (98") 4-Cyl. 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, (3) SPK-TCS, AP-AMV | 2 or 3 |
| 1.8L (112") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, (4) AIS, O2S, CEC EVAP-VC, SPK-CC | 2 or 3 |
| 2.0L (122") 4-Cyl. TBI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, PAIR, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-CC, PAIR-ASOV, PAIR-PAV | 2 or 3 |
| 2.5L (151") 4-Cyl. TBI | PCV, ACL, TWC, FR, EGR, SPK, AIS, O2S, CEC EVAP-VC, SPK-CC | 1 |
| 2.8L (173") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-CC, AP-AMV | 2 , 3 or 4 |
| 3.8L (231") V6 2-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC, (3) EFE EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-CC | 2 , 3 or 4 |
| 5.0L (305") V8 EFI | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-CC, AP-AMV | 2 or 3 |
| 5.0L (305") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, O2S, CEC, EFE EVAP-VC, EVAP-CPCV, BP/EGR-CS, SPK-CC, AP-AMV, EFE-TVS | 2 , 3 or 4 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS under DOMESTIC CARS in EGR FUNCTION TESTING section. Use specified test number. (3) Some applications. (4) Except Federal. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS under DOMESTIC CARS in EGR FUNCTION TESTING section. Use specified test number. |
1983 Pontiac (Domestic Cars)
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| Light Duty Emissions (8500 GVWR Or Less) |
| 1.9L (116") 4-Cyl. Carb. | PCV, ACL, EVAP, TWC, FR, BP/EGR, (4) SPK, AIS, (4) CEC EVAP-VC, ACL-BMS, BP/EGR-BPT, BP/EGR-TVS, AIS-DV, HIC | 1 |
| 2.0L (122") 4-Cyl. Carb. | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS EVAP-VC, EVAP-CPTVS, EGR-BS, EGR-DV, EGR-TVS, SPK-TVS | 1 |
| 2.8L (173") V6 Carb. | PCV, ACL, EVAP, (4) TWC+OC, FR, BP/EGR, SPK, AIS, (5) O2S, (4) CEC ACL-BMS, EVAP-VC, EVAP-CPTVS, (6) BP/EGR-TCTVS, BP/EGR-TVS, (7) SPK-DV, (8) SPK-DVRV, (8) SPK-TVS, DCLV | 1 |
| 4.1L (250") 6-Cyl. Carb. | PCV, ACL, EVAP, TWC, FR, (7) BP/EGR, SPK, (7) PAIR, CEC, EFE ACL-BMS, ACL-VM, EVAP-VC, EVAP-TVS, (8) BP/EGR-BS, BP/EGR-TVS, SPK-RDVLV, (7) PAIR-DV, EFE-TVS, DCLV | 1 |
| 5.0L (305") V8 Carb. | PCV, ACL, EVAP, TWC, FR, (7) BP/EGR, SPK, AIS, (5) CEC, EFE ACL-BMS, EVAP-VC, (7) BP/EGR-BS, BP/EGR-TVS, SPK-DV, AIS-DV, EFE-TVS, DCLV | 1 |
| 5.7L (350") V8 Carb. | PCV, ACL, EVAP, OC, FR, EGR, SPK, AIS, (4) CEC, EFE ACL-BMS, ACL-VM, EVAP-VC, (7) EGR-BS, EGR-TVS, SPK-DV, AIS-DV, EFE-TVS, DCLV | 1 |
| Heavy Duty Emissions (8501 GVWR Or More) (3) |
| 4.8L (292") 6-Cyl. Carb. | PCV, ACL, SPK, AIS ACL-BMS, ACL-VM, SPK-TVS, AIS-DV, DCLV | — |
| 5.7L (350") V8 Carb. | PCV, ACL, (4) EVAP, SPK, AIS, EFE EVAP-VC, ACL-BMS, ACL-VM, AIS-DV, EFE-TVS, SPK-TVS | — |
| 6.0L (366") & 7.0L (427") V8 Carb. | PCV, (4) (9) EVAP, AIS | — |
| 7.4L (454") V8 Carb. | PCV, ACL, (4) EVAP, SPK, AIS, EFE EVAP-VC, ACL-BMS, ACL-VM, SPK-TVS, AIS-DV, EFE-TVS | — |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) California only. (5) Some models. (6) A/T only. (7) Some models are electronically controlled. (8) High altitude only. (9) Vapor canister type. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. |
| (7) | Some models are electronically controlled. |
1983 Domestic Trucks & Vans
| Engine & Fuel System | (1) Emission Control Systems & Devices | (2) EGR Test No. |
|---|
| 454" V8 Carb. | PCV, ACL, (3) EVAP, (4) EGR, (3) SPK, AIS, EFE EVAP-VC, SPK-TVS | 1 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) California emissions only. (4) Some models. |
| (1) | Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. |
| (2) | See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. |
| (3) | California emissions only. |
1983 Class "A" Motor Homes
