Engine Compression
Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application (1) | Specification | |||
|---|---|---|---|---|
| Compression Ratio | ||||
| 3.0L (VIN J) | 10.0:1 | |||
| 3.0L (VIN K) | 8.0:1 | |||
| 3.0L (VIN H) | 8.9:1 | |||
| Compression Pressure | ||||
| 3.0L (VIN J) | 185 psi (13.0 kg/cm2 ) | |||
| 3.0L (VIN K) | 156 psi (10.9 kg/cm2 ) | |||
| 3.0L (VIN H) | 171 psi (12.0 kg/cm2 ) | |||
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm2 ) | |||
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