Engine Compression
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed (on dual plugs, remove exhaust side only) and throttle wide open.
NOTE:
Connect coil high tension wire to ground before cranking engine for compression test.
4-CYLINDER COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 10.4:1 | |
| Compression Pressure | ||
| Normal (New Engine) | 152-196 psi (10.7-13.7 kg/cm2 ) | |
| Minimum | 109 psi (7.7 kg/cm2 ) | |
| Maximum Variation Between Cylinders | 44 psi (3 kg/cm2 ) | |
5-CYLINDER COMPRESSION SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Compression Ratio | |||
| 2.2L Turbo | 7.8:1 | ||
| 2.3L | 10.0:1 | ||
| Compression Pressure | |||
| 2.2L Turbo | |||
| Normal (New Engine) | 100-130 psi (7-9 kg/cm2 ) | ||
| Minimum | 72 psi (5 kg/cm2 ) | ||
| 2.3L | |||
| Normal (New Engine) | 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 ) | ||