Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| 3.8L (VIN K) | 9.4:1 | |
| 3.8L (VIN 1) | 8.5:1 | |
| Normal Compression Pressure | (1) | |
| Minimum Compression Pressure | (1) | |
| (1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm 2 ). | ||
| (1) | Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm 2 ). |
COMPRESSION SPECIFICATIONS