Mechanical Inspection: Compression
WARNING: This page is about a different car, the 1996 Lexus SC 400. However, it is still accessible from the selected car via links, so may be relevant.
Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. See engine analyzer manual for specific instructions. To check engine compression with a compression gauge, bring engine to normal operating temperature.
COMPRESSION SPECIFICATIONS
| Application | Specification |
|---|---|
| Compression Ratio | 10.4:1 |
| Compression Pressure | 178 psi (12.5 kg/cm2 ) |
| Minimum Compression Pressure | 142 psi (10.0 kg/cm2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm2 ) |