Mechanical Inspection: Compression
Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. See engine analyzer manual for specific instructions.
WARNING:
DO NOT
use ignition switch during compression tests on fuel injected vehicles. Use a remote starter to crank engine. Fuel injectors on many models are triggered by ignition switch during cranking mode, which can create a fire hazard or contaminate the engine's oiling system.
COMPRESSION SPECIFICATIONS
| Application (1) | psi (kg/cm2 ) | ||||
|---|---|---|---|---|---|
| Compression Pressure | |||||
| 1.8L (VIN T) | 185 (13.0) | ||||
| 2.0L (VIN R) | |||||
| Eclipse | 192 (13.4) | ||||
| Galant | 220 (15.4) | ||||
| 2.0L (VIN U) | 164 (11.5) | ||||
| 2.0L (VIN V) | 178 (12.5) | ||||
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm2 ) | ||||
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