ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
| Application (1) | Specification |
|---|
| Compression Ratio |
| 1.5L (VIN A) | 9.2:1 |
| 1.6L (VIN Y) | 9.2:1 |
| Compression Pressure |
| 1.5L (VIN A) |
| Colt, Colt 200 & Summit | 194 psi (13.6 kg/cm 2 ) |
| Mirage | 192 psi (13.4 kg/cm 2 ) |
| 1.6L (VIN Y) | 192 psi (13.4 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
| (1) See ENGINE/VIN ID article in the ENGINE PERFORMANCE Section for VIN information. |
| (1) | See ENGINE/VIN ID article in the ENGINE PERFORMANCE Section for VIN information. |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
Note. Valve adjustment is required on 1.5L engines only. Check adjustment at 15,000 mile intervals.
IGNITION COIL
| Application | Primary | Secondary |
|---|
| 1.5L (VIN A) | .9-1.2 | 20,000-29,000 |
| 1.6L (VIN Y) | .77-.95 | 10,300-13,900 |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
HIGH TENSION WIRE RESISTANCE
| Application (1) | Ohms |
|---|
| 1.5L (VIN A) |
| Coil Wire | (2) |
| No. 1 Wire | 11,500 |
| No. 2 Wire | 9100 |
| No. 3 Wire | 9000 |
| No. 4 Wire | 6700 |
| 1.6L (VIN Y) | (2) |
| (1) See A - ENGINE VIN/ID article in the ENGINE PERFORMANCE Section for VIN information. (2) Information not available from manufacturer. |
| (1) | See A - ENGINE VIN/ID article in the ENGINE PERFORMANCE Section for VIN information. |
| (2) | Information not available from manufacturer. |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | Nippondenso No. |
|---|
| 1.5L (VIN A) |
| Mirage | W16EPR-11 |
| All Others | W20EPR-11 |
| 1.6L (VIN Y) | W20EPR-11 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| All Models | .039-.043 (1.0-1.1) | 15-21 (20-30) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
| WARNING | On many models, improper arrangement of spark plug wires will cause miss firing and surge during high-speed operation. Ensure spark plug wires are routed as shown. |
Scheme 1
Scheme 1: Firing Order & Plug Wire Routing (1.5L)
Scheme 2
Scheme 2: Firing Order & Plug Wire Routing (1.6L)
IGNITION TIMING
| Application | (1) Basic | (2) (3) Actual |
|---|
| 1.5L |
| Mirage | 3-7 @ 650-850 | 10 @ 650-850 |
| Except Mirage | 5 @ 650-850 | 10 @ 650-850 |
| 1.6L |
| Mirage | 3-7 @ 650-850 | 8 @ 650-850 |
| (1) With ignition timing adjustment connector grounded or vacuum hose (farthest from distributor) disconnected. (2) With ignition timing adjustment connector ungrounded or vacuum hose (farthest from distributor) connected. Ignition timing may fluctuate. (3) If vehicle altitude is more than 2300 ft. above sealevel, actual timing may be advanced. |
| (1) | With ignition timing adjustment connector grounded or vacuum hose (farthest from distributor) disconnected. |
| (2) | With ignition timing adjustment connector ungrounded or vacuum hose (farthest from distributor) connected. Ignition timing may fluctuate. |
| (3) | If vehicle altitude is more than 2300 ft. above sealevel, actual timing may be advanced. |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
| Application | At Idle w/Vacuum psi (kg/cm 2 ) | At Idle w/o Vacuum psi (kg/cm 2 ) |
|---|
| All Models | 38 (2.6) | 47-50 (3.3-3.5) |
INJECTOR RESISTANCE
| Application | Ohms |
|---|
| All Models | 13-16 |
THROTTLE POSITION SENSOR (TPS)
| Application | (1) Volts |
|---|
| Mirage | .48-.52 |
| All Models | .4-1.0 |
| (1) At idle. |
