ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, with all spark plugs removed and throttle wide open.
| Application | Specification |
|---|
| Compression Ratio | 9.5:1 |
| Normal Compression Pressure | (1) 191 psi (13.4 kg/cm 2 ) |
| Minimum Compression Pressure | (1) 142 psi (10.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
| (1) Checked at 250 RPM. |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
| Application | In. (mm) |
|---|
| Intake | (1) .006-.010 (.15-.25) |
| Exhaust | (1) .010-.014 (.25-.35) |
| (1) Adjustments made with engine cold 77°F (25°C). |
| (1) | Adjustments made with engine cold 77°F (25°C). |
VALVE CLEARANCE SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
|---|
| Cold (1) | 1.11-1.75 | 9000-15,700 |
| Hot (2) | 1.41-2.05 | 11,400-18,400 |
| (1) Temperatures between 14-104°F (-10-50°C) (2) Temperatures between 104-212°F (50-100°C) |
| (1) | Temperatures between 14-104°F (-10-50°C) |
| (2) | Temperatures between 104-212°F (50-100°C) |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
DISTRIBUTOR SENSORS
| Application | Clearance In. (mm) |
|---|
| Prizm & Prizm LSi | .008-.016 (.20-.41) |
| (1) This may also be referred to as Camshaft Position (CMP) sensor on some models. |
| (1) | This may also be referred to as Camshaft Position (CMP) sensor on some models. |
| Application | Ohms |
|---|
| Prizm & Prizm LSi | (1) |
| (1) Resistance between terminals No. 2 and 5 should be 370-550 ohms cold and 475-650 ohms hot. Resistance between terminals No. 3 and 6 should be 185-275 ohms cold and 240-325 ohms hot. |
| (1) | Resistance between terminals No. 2 and 5 should be 370-550 ohms cold and 475-650 ohms hot. Resistance between terminals No. 3 and 6 should be 185-275 ohms cold and 240-325 ohms hot. |
PICK-UP COIL RESISTANCE (1) - Ohms @ 68°F (20°C)
HIGH TENSION WIRE RESISTANCE
| Application | Ohms |
|---|
| All Models | 3000-6700 Per Foot |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| A/C | Nippondenso | NGK |
|---|
| N/A | K16R-U | BKR5EYA |
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|
| Prizm & Prizm LSi | .031 (0.79) | 13 (18) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER & TIMING MARKS
Note. For firing order and distributor rotations (Scheme 1) To locate ignition timing mark (Scheme 2)
Firing Order & Distributor Rotation (VIN 6 & 8). Scheme 1
Scheme 1: Firing Order & Distributor Rotation (VIN 6 & 8)
Scheme 2
IGNITION TIMING
| Application | Man. Trans. | Auto. Trans. |
|---|
| Prizm & Prizm LSi | (2) 10 @ 650-750 | (2) 10 @ 650-750 |
| (1) If specification differs from emission label, use specification listed on emission label. (2) With jumper wire installed between Black 23-pin data link connector terminals E1 (Brown wire) and TE1 (Blue/White wire), located on left strut tower. |
| (1) | If specification differs from emission label, use specification listed on emission label. |
| (2) | With jumper wire installed between Black 23-pin data link connector terminals E1 (Brown wire) and TE1 (Blue/White wire), located on left strut tower. |
IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM) (1)
FUEL PUMP
| KOEO (1) psi (kg/cm 2 ) | Eng. @ Idle psi (kg/cm 2 ) | (2) Hold Pressure psi (kg/cm 2 ) |
|---|
| 38-44 (2.7-3.1) (3) | (4) 38-44 (2.7-3.1) | 21 (1.5) |
| (1) KOEO is ignition on and engine off. (2) Measured within one minute of engine off and with ignition on. (3) With ignition on, engine off, and a jumper wire connected between DLC connector terminals 12/B+ (Black/Red wire) and 1/FP (Blue/Black wire), located on left strut tower. (4) With engine at idle, pressure regulator vacuum hose disconnected and plugged, pressure is 31-37 psi (2.2-2.6 kg/cm 2 ). |
| (1) | KOEO is ignition on and engine off. |
| (2) | Measured within one minute of engine off and with ignition on. |
| (3) | With ignition on, engine off, and a jumper wire connected between DLC connector terminals 12/B+ (Black/Red wire) and 1/FP (Blue/Black wire), located on left strut tower. |
| (4) | With engine at idle, pressure regulator vacuum hose disconnected and plugged, pressure is 31-37 psi (2.2-2.6 kg/cm 2 ). |
INJECTOR RESISTANCE
| Application | Ohms |
|---|
| Prizm & Prizm LSi | 12-15 |
INJECTOR RESISTANCE - @ 68°F (20°C)
IDLE SPEED
| Application | Idla RPM A/C Off | Idle RPM A/C On |
|---|
| Prizm & Prizm LSi | (3) | (3) |
| (1) If specification differs from emission label, use specification listed on emission label. (2) Check using Tech 1 connected to Data Link Connector (DLC) with engine warm, accessories off and transaxle in Neutral (M/T) or Park (A/T). (3) Idle speed is computer controlled and is not adjustable. |
| (1) | If specification differs from emission label, use specification listed on emission label. |
| (2) | Check using Tech 1 connected to Data Link Connector (DLC) with engine warm, accessories off and transaxle in Neutral (M/T) or Park (A/T). |
| (3) | Idle speed is computer controlled and is not adjustable. |
IDLE SPEED SPECIFICATIONS (1) (2)
THROTTLE OPENER
| Application | RPM |
|---|
| California Only (1) | 1300-1500 |
| (1) Turn throttle opener adjusting screw clockwise to increase engine RPM or counterclockwise to decrease engine RPM. |
| (1) | Turn throttle opener adjusting screw clockwise to increase engine RPM or counterclockwise to decrease engine RPM. |
THROTTLE OPENER ADJUSTMENT
THROTTLE POSITION (TP) SENSOR
| Application | Ohms |
|---|
| Between Terminals E2 & IDL | (1) 0-2300 |
| Between Terminals E2 & IDL | (2) Infinity |
| Between Terminals E2 & VC | 4000-8500 |
| Between Terminals E2 & VTA | (3) 200-6000 |
| Between Terminals E2 & VTA | (4) 3300-10,000 |
| (1) With .016" (.40 mm) feeler gauge installed between throttle stop screw and lever. (2) With .035" (.89 mm) feeler gauge installed between throttle stop screw and lever. (3) With zero clearance between throttle stop screw and lever. (4) Throttle valve at fully open position. |
| (1) | With .016" (.40 mm) feeler gauge installed between throttle stop screw and lever. |
| (2) | With .035" (.89 mm) feeler gauge installed between throttle stop screw and lever. |
| (3) | With zero clearance between throttle stop screw and lever. |
| (4) | Throttle valve at fully open position. |
THROTTLE POSITION SENSOR RESISTANCE
Scheme 3
