Engine Compression
Warm engine to normal operating temperature. Disconnect single wire from negative terminal of ignition coil(s). Check compression with all spark plugs removed, throttle valve wide open and at normal cranking speed (250-300 RPM).
CAUTION:
Failure to disconnect ignition coil(s) negative terminal may cause damage to ECU.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 8.5:1 | |
| Compression Pressure (Minimum) | ||
| 850 GLT (B5254T Engine) | 184-219 psi (13-15 kg/cm2 ) | |
| 850 T-5 (B5234T Engine) | 156-184 psi (11-13 kg/cm2 ) | |