| Light Duty Emissions (8500 GVWR Or Less) |
| 2.0L (122") 4-Cyl. Carb. | PCV, ACL, EVAP, TWC+OC, FR, BP/EGR, SPK, AIS, O2S, CEC EVAP-VC, BP/EGR-BPT, BP/EGR-RES, BP/EGR-VCV, SPK-DMV, SPK-DRCV, SPK-DVCV, AIS-BPV, AIS-CKV | 2 or 5 |
| 2.3L (140") 4-Cyl. EFI | PCV, (4) EVAP, TWC, FR, EGR, (5) SPK, O2S, CEC | 2 or 5 |
| 2.9L (177") V6 EFI | PCV, (6) ACL, (4) EVAP, TWC, FR, EGR, (5) SPK, O2S, CEC | 2 or 5 |
| 3.0L (183") V6 EFI | PCV, (4) EVAP, TWC, FR, (5) SPK, O2S, CEC | — |
| 4.9L (300") 6-Cyl. EFI | PCV, (4) EVAP, TWC, FR, EGR, (5) SPK, AIS, O2S, CEC | 2 or 5 |
| 5.0L (302") V8 EFI & Carb. | PCV, TAC, (4) EVAP, TWC, FR, EGR, (5) SPK, AIS, (8) (9) O2S, (8) (9) CEC | 2 or 5 |
| 5.8L (351") V8 4-Bbl. | PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AP, (9) O2S, CEC EVAP-VC, BP/EGR-BPT, BP/EGR-CLR, BP/EGR-EPV, BP/EGR-VCV, BP/EGR-SOL, SPK-ITVS, AIS-BPV, HIC | 2 or 5 |
| 7.5L (460") V8 EFI (7) | PCV, (4) EVAP, TWC, FR, EGR, AIS, O2S, CEC | 2 or 5 |
| Heavy Duty Emissions (8501 GVWR Or More) (3) |
| 4.9L (300") 6-Cyl. EFI | PCV, (4) EVAP, TWC+OC, FR, EGR, (10) SPK, AIS, O2S, CEC | 1 or 5 |
| 5.8L (351") V8 Carb. | PCV, ACL, EVAP, (7) TWC, FR, EGR, SPK, AIS, (7) O2S, CEC EVAP-VC, EVAP-VCV, EGR-SOL, SPK-DVCV, AIS-BPV, TP | 1 or 5 |
| 6.1L (370"), 7.0L (425") & 7.5L (460") V8 Carb. | PCV, ACL, EVAP, EGR, SPK, AIS EVAP-VC, EGR-RES, EGR-VCV, SPK-DVCV, AIS-BPV, HIC, TP | 1 or 5 |
| (1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type. (2) See FORD - TRUCKS in EGR FUNCTION TESTING section. Use specified test number. (3) For emission applications on gasoline-powered motor homes 8501 GVWR or more and built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table. (4) Vapor canister type. (5) Includes ported vaccum switch or spark delay valve or trans. regulated spark control system. (6) California only. (7) 1987 1/2 models only. (8) Except carbureted models. (9) Except High Output (HO) engines. (10) Includes ported vacuum switch or spark delay valve or trans. regulated spark control system. |
