Engine Compression
WARNING: This page is about a different car, the 1999 Infiniti Q45, 1999 Infiniti I30, and 1999 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.
Ensure battery is fully charged. Check engine compression with engine at normal operating temperature, at specified cranking speed, all spark plugs removed and throttle wide open.
COMPRESSION SPECIFICATIONS (1)
| Application | psi (kg/cm2 ) | |||
|---|---|---|---|---|
| G20 | ||||
| Standard | 178 (12.5) | |||
| Minimum | 149 (10.5) | |||
| Maximum Variation Between Cylinders | 14 (1.0) | |||
| I30 | ||||
| Standard | 185 (13.0) | |||
| Minimum | 142 (10.0) | |||
| Maximum Variation Between Cylinders | 14 (1.0) | |||
| Q45 | ||||
| Standard | 186 (13.1) | |||
| Minimum | 144 (10.1) | |||
| Maximum Variation Between Cylinders | 14 (1.0) | |||
|
||||