ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
| Application (1) | Specification |
| Compression Ratio | 9.5:1 |
| Compression Pressure |
| Eclipse & Galant | 192 psi (13.4 kg/cm 2 ) |
| Pickup | 171 psi (12.0 kg/cm 2 ) |
| Summit Wagon | 185 psi (13.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
| (1) See ENGINE/VIN ID article for VIN information. |
| (1) | See ENGINE/VIN ID article for VIN information. |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
Note. Valve adjustment is required on 1.5L and 1.8L engines only. Check adjustment at 15,000 mile intervals.
IGNITION COIL
| Application | Primary | Secondary |
| Eclipse | .74-.90 | 20,100-27,300 |
| Galant & Summit Wagon | .9-1.2 | 20,000-29,000 |
| Pickup | .72-.88 | 10,300-13,900 |
IGNITION COIL RESISTANCE - Ohms 68°F (20°C)
HIGH TENSION WIRE RESISTANCE
Wire resistance should not exceed 22 k/ohms.
SPARK PLUGS
| Application | Nippondenso No. |
| Pickup | W20EPR-11 |
| Except Pickup | K16PR-U11 |
| Application | (1) Gap In. (mm) | Torque Ft. Lbs. (N.m) |
| Eclipse | .039-.043 (1.0-1.1) | 18 (25) |
| Pickup | .039-.043 (1.0-1.1) | 15-21 (20-30) |
| All Others | .039-.043 (1.0-1.1) | 18 (25) |
| (1) DO NOT adjust gap on Platinum spark plugs. |
| (1) | DO NOT adjust gap on Platinum spark plugs. |
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 3
Scheme 3: Firing Order & Plug Wire Routing (Eclipse)
Scheme 4
Scheme 4: Firing Order & Plug Wire Routing (Galant)
Scheme 5
Scheme 5: Firing Order & Plug Wire Routing (Except Eclipse & Galant)
IGNITION TIMING
| Application | (1) Basic | (2) (3) Actual |
| Eclipse & Galant | 2-8 @ 650-850 | 10 @ 650-850 |
| Pickup | 3-7 @ 650-850 | 8 @ 650-850 |
| Summit Wagon |
| FWD CA Emissions | 2-8 @ 650-850 | 10 @ 650-850 |
| All Others | 3-7 @ 650-850 | 10 @ 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. Actual ignition timing is approximate and may fluctuate 5-7 degrees. (3) If vehicle altitude is more than 2300 feet above sea level, actual timing may be advanced (5 degrees). |
| (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. Actual ignition timing is approximate and may fluctuate 5-7 degrees. |
| (3) | If vehicle altitude is more than 2300 feet above sea level, actual timing may be advanced (5 degrees). |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
| Application | Specification |
| At Idle With Vacuum | 38 psi (2.7 kg/cm 2 ) |
| At Idle Without Vacuum | 47-50 psi (3.3-3.5 kg/cm 2 ) |
IDLE SPEED
| Application | Curb Idle | Basic Idle |
| Eclipse | 700-900 | (1) |
| Galant | 650-850 | 700-800 |
| Pickup | 650-850 | 700-800 |
| Summit Wagon | 650-850 | (1) |
| (1) Information is not available from manufacturer. |
| (1) | Information is not available from manufacturer. |
IDLE SPEED SPECIFICATIONS
INJECTOR RESISTANCE
| Application | Ohms |
| Except Eclipse | 13-16 |
| Eclipse | 2-3 |
THROTTLE POSITION (TP) SENSOR
| Application | (1) Volts |
| All Models | .4-1.0 |
| (1) At idle. |