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Home >> Cadillac >> 1992 >> Seville V8-300 4.9L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications
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Compression Check: Specifications



956-1138 kPa (140-165 psi).
The lowest reading cylinder should not be less than 70% of the highest. Perform compression test with engine at normal operating temperature, spark plugs removed and throttle wide open.