Engine Compression
Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application | psi (kg/cm2 ) | |||
|---|---|---|---|---|
| Normal Compression Pressure | ||||
| 2.5L & 4.0L | 120-150 (8.3-10.5) | |||
| 4.7L | 140-180 (9.8-12.7) | |||
| Maximum Variation Between Cylinders | ||||
| 2.5L & 4.0L | 30 (2.1) | |||
| 4.7L | (1) | |||
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