Engine Compression
Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
COMPRESSION RATIO
| Application | Ratio | ||
|---|---|---|---|
| Diamante | 9.0:1 | ||
| Eclipse | 9.0:1 | ||
| 2.0L | |||
| Non-Turbo | 9.6:1 | ||
| Turbo | 8.5:1 | ||
| 2.4L | |||
| California | 9.0:1 | ||
| Except California | 9.5:1 | ||
| Galant | |||
| 2.4L & 3.0L | 9.0:1 | ||
| Mirage | |||
| 1.5L | 9.0:1 | ||
| 1.8L | 9.5:1 | ||
| Montero | 9.0:1 | ||
| Montero Sport | |||
| 2.4L, 3.0L & 3.5L | 9.0:1 | ||
| 3000GT | |||
| 3.0L SOHC | 8.9:1 | ||
| 3.0L DOHC | |||
| Non-Turbo | 10.0:1 | ||
| Turbo | 8.0:1 | ||
COMPRESSION PRESSURE
| Application | Pressure psi (kPa) | |||
|---|---|---|---|---|
| Diamante | ||||
| Standard | 174 (1200) | |||
| Minimum | 129 (890) | |||
| Eclipse | ||||
| 2.0L | ||||
| Non-Turbo | ||||
| Standard | 170-225 (1172-1551) | |||
| Minimum | 100 (689) | |||
| Turbo | ||||
| Standard | 181 (1250) | |||
| Minimum | 136 (935) | |||
| 2.4L | ||||
| Standard | 196 (1350) | |||
| Minimum | 148 (1020) | |||
| Galant | ||||
| 2.4L | ||||
| Standard | 185 (1275) | |||
| Minimum | 139 (959) | |||
| 3.0L | ||||
| Standard | 120 (824) | |||
| Minimum | 83 (575) | |||
| Mirage | ||||
| 1.5L | ||||
| Standard | 192 (1324) | |||
| Minimum | 137 (945) | |||
| 1.8L | ||||
| Standard | 199 (1372) | |||
| Minimum | 151 (1041) | |||
| Montero | ||||
| Standard | 174 (1200) | |||
| Minimum | 129 (890) | |||
| Montero Sport | ||||
| 2.4L | ||||
| Standard | 196 (1350) | |||
| Minimum | 148 (1020) | |||
| 3.0L & 3.5L | ||||
| Standard | 174 (1200) | |||
| Minimum | 129 (890) | |||
| 3000GT | ||||
| 3.0L DOHC | ||||
| Non-Turbo | ||||
| Standard | 185 (1275) | |||
| Minimum | 139 (958) | |||
| Turbo | ||||
| Standard | 156 (1075) | |||
| Minimum | 115 (793) | |||
| 3.0L SOHC | ||||
| Standard | 171 (1180) | |||
| Minimum | 127 (875) | |||
| Maximum Variation Between Cylinders | ||||
| All Models | 15 (100) | |||