ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
| Application | Specification |
|---|
| Compression Ratio | 9.5:1 |
| Compression Pressure | 178 psi (12.5 kg/cm 2 ) |
| Minimum Compression Pressure | 128 psi (9.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
| Application | (1) In. (mm) |
|---|
| Exhaust | .010-.014 (.25-.35) |
| Intake | .006-.010 (.15-.25) |
| (1) Adjust valve clearance with engine cold. |
| (1) | Adjust valve clearance with engine cold. |
VALVE CLEARANCE SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
|---|
| Cold (1) | .36-.55 | 9000-15,400 |
| Hot (2) | .45-.65 | 11,400-18,100 |
| (1) Cold is with temperature of 14-122°F (-10-50°C). (2) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | Cold is with temperature of 14-122°F (-10-50°C). |
| (2) | Hot is with temperature of 122-212°F (50-100°C). |
IGNITION COIL RESISTANCE - Ohms @
DISTRIBUTOR SENSORS
| Application | In. (mm) |
|---|
| 4-Cyl. 2.7L | .008-.016 (.20-.40) |
DISTRIBUTOR PICK-UP COIL AIR GAP
| Application | (1) Pick-Up Coil Terminals | Ohms |
|---|
| Cold (2) | G+ & G | 185-275 |
| Hot (3) | G+ & G | 240-325 |
| (1) For proper testing and terminal identification, see the BASIC TESTING - 2.7L article. (2) Cold is with temperature of 14-122°F (-10-50°C). (3) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | For proper testing and terminal identification, see the BASIC TESTING - 2.7L article. |
| (2) | Cold is with temperature of 14-122°F (-10-50°C). |
| (3) | Hot is with temperature of 122-212°F (50-100°C). |
DISTRIBUTOR PICK-UP COIL RESISTANCE
| Application | Ohms |
|---|
| Cold (1) | 1630-2740 |
| Hot (2) | 2065-3225 |
| (1) Cold is with temperature of 14-122°F (-10-50°C). (2) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | Cold is with temperature of 14-122°F (-10-50°C). |
| (2) | Hot is with temperature of 122-212°F (50-100°C). |
CRANKSHAFT POSITION SENSOR RESISTANCE
SPARK PLUGS
| Application | NGK No. | Nippondenso No. |
|---|
| T100 | BKR5EYA | K16R-U |
| Application Type | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| T100 | .031 (.80) | 15 (20) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
| Application | Firing Order |
|---|
| 4-Cylinder (1) | 1-3-4-2 |
| (1) No. 1 cylinder located at timing belt or timing chain end of engine. No. 4 cylinder located at flywheel end. |
| (1) | No. 1 cylinder located at timing belt or timing chain end of engine. No. 4 cylinder located at flywheel end. |
IGNITION TIMING
| Application (1) | (2) Base Timing | (3) Advance Timing |
|---|
| T100 | 5 | (4) |
| (1) Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, electric cooling fan off (if equipped) and A/C and all accessories off. (2) With jumper wire installed between terminals TE1 and E1 on data link connector No. 1. (3) With jumper wire removed from data link connector No.1. (4) Information not available at time of publication. |
| (1) | Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, electric cooling fan off (if equipped) and A/C and all accessories off. |
| (2) | With jumper wire installed between terminals TE1 and E1 on data link connector No. 1. |
| (3) | With jumper wire removed from data link connector No.1. |
| (4) | Information not available at time of publication. |
IGNITION TIMING (Degrees BTDC @ Idle)
FUEL PUMP
Note. Fuel pump performance measures fuel pressure, not regulated fuel pressure.
| Application | Pressure - psi (kg/cm 2 ) |
|---|
| T100 | (1) 38-44 (2.7-3.1) |
| (1) Check fuel pressure using scan tester to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| (1) | Check fuel pressure using scan tester to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| Application | Specification |
|---|
| At Idle With Vacuum | 31-37 psi (2.2-2.6 kg/cm 2 ) |
| At Idle Without Vacuum | 38-44 psi (2.7-3.1 kg/cm 2 ) |
| Application | Ohms |
|---|
| T100 | .2-3.0 |
FUEL PUMP RESISTANCE - Ohms @ 68°F (20°C)
FUEL INJECTOR RESISTANCE
| Application | Ohms |
|---|
| 4-Cyl. 2.7L | 12.0-16.0 |
FUEL INJECTOR RESISTANCE - Ohms @ 68°F (20°C)
IDLE SPEED
| Application (1) | RPM |
|---|
| T100 | 650-750 |
| (1) Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, ignition timing properly set, electric cooling fan off (if equipped) and A/C and all accessories off. |
| (1) | Check with engine at normal operating temperature, transmission/transaxle in Neutral, parking brake applied, ignition timing properly set, electric cooling fan off (if equipped) and A/C and all accessories off. |
IDLE SPEED SPECIFICATIONS
THROTTLE OPENER
| Application | (1) RPM |
|---|
| 4-Cyl. 2.7L | 1200-1400 |
| (1) Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped). |
| (1) | Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped). |
THROTTLE OPENER SPECIFICATIONS
FUEL CUT
| Application | Fuel Cut RPM | Fuel Return RPM |
|---|
| 4-Cyl. 2.7L | (2) | 1200 |
| (1) Check with engine at normal operating temp. and A/C off. (2) Fuel cut specification not available at time of publication. |
| (1) | Check with engine at normal operating temp. and A/C off. |
| (2) | Fuel cut specification not available at time of publication. |
FUEL CUT SPECIFICATIONS (1)
THROTTLE POSITION SENSOR (TPS)
| Application Type | Clearance In. (mm) | Terminals Tested | Ohmmeter Reading |
|---|
| 2.7L | 0 (0) | VTA & E2 | 200-5700 |
| " | .020 (.51) | IDL & E2 | 2300 Or Less |
| " | .030 (.75) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2000-10,200 |
| " | " | VC & E2 | 2500-5900 |
| (1) Apply vacuum to throttle opener before checking TPS. |
| (1) | Apply vacuum to throttle opener before checking TPS. |
TPS RESISTANCE SPECIFICATIONS (1)
