Engine Compression
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
NOTE:
Connect coil high tension wire to ground before cranking engine for compression test.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Compression Ratio | |||
| 2.2L Turbo | 7.8:1 | ||
| 2.3L | 10.0:1 | ||
| Compression Pressure | |||
| 2.2L Turbo | |||
| Normal | 100-130 psi (7-9 kg/cm2 ) | ||
| Minimum | 72 psi (5 kg/cm2 ) | ||
| 2.3L | |||
| Normal | 145-203 psi (10.2-14.3 kg/cm2 ) | ||
| Minimum | 116 psi (8.2 kg/cm2 ) | ||
| Maximum Variation Between Cylinders | 44 psi (3 kg/cm2 ) | ||