Engine Compression
Check compression at 300 RPM (2.5L) and 200 RPM (2.7L) with engine warm, all spark plugs removed, and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Compression Ratio | 9.0:1 | ||
| Compression Pressure | |||
| Normal | |||
| 2.5L | 178 psi (12.5 kg/cm2 ) | ||
| 2.7L | 171 psi (12.0 kg/cm2 ) | ||
| Minimum | |||
| 2.5L | 135 psi (9.5 kg/cm2 ) | ||
| 2.7L | 142 psi (10.0 kg/cm2 ) | ||
| Maximum Variation Between Cylinders | 28 psi (2.0 kg/cm2 ) | ||