Mechanical Inspection: Compression
Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. See engine analyzer manual for specific instructions. For compression specifications, see COMPRESSION SPECIFICATIONS table.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 9.5:1 | |
| Compression Pressure | ||
| Standard | 199 psi (14.0 kg/cm2 ) | |
| Limit | 170 psi (11.9 kg/cm2 ) | |
NOTE:
When performing exhaust system backpressure test, ensure transmission is in Neutral or Park. Accurate reading cannot be obtained unless vehicle remains in Neutral or Park.