Engine Compression
Check engine compression at normal operating temperature with all spark plugs removed. To prevent damage to catalytic converter, make tests quickly and only when necessary.
NOTE:
Compression pressure is not specified by manufacturer.
COMPRESSION RATIO
| Application | Specification | |
|---|---|---|
| 900 | ||
| Non-Turbo | 10.1:1 | |
| Turbo | 9.0:1 | |
| 9000 | ||
| Non-Turbo | 10.1:1 | |
| Turbo | 8.5:1 | |