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Home >> Pontiac >> 2003 >> Sunfire Automatic >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications >> Mechanical Checks >> Engine Compression

Engine Compression

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Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.

ENGINE COMPRESSION SPECIFICATIONS

Application psi (kPa)
Normal Compression Pressure (1)
Minimum Compression Pressure (2) 100 psi (689 kPa)
(1) Information not available from manufacturer.
(2) The lowest reading cylinder should not be less than 70 percent of the highest.