Fuel Injected Models (Corolla, MR2)
- Engine must be at normal operating temperature. Unplug fuel injection solenoid resistor wire connector.
- Disconnect electrical connector at cold start injector. Remove spark plugs and coil wire. Check compression with throttle wide open and engine at cranking speed.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| MR2 | 9.3:1 | |
| Corolla & Tercel | 9.0:1 | |
| Normal Compression Pressure | 178 psi (12.5 kg/cm2 ) | |
| Minimum Compression Pressure | 128 psi (9.0 kg/cm2 ) | |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm2 ) | |