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Home >> Isuzu >> 1985 >> Impulse 2.0 F, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Testing >> Engine Compression
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Engine Compression

Test compression with engine at normal operating temperature, spark plugs removed, throttle valve wide open and engine at cranking speed (300 RPM).

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
1.9L 9.2:1
2.0L Turbo 7.9:1
Minimum Compression Pressure 125 psi (8.8 kg/cm2 )
Maximum Variation Between Cylinders 7 psi (0.6 kg/cm2 )