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Home >> GMC Truck >> 1986 >> S15/T15 4WD Jimmy L4-151 2.5L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications

Compression Check: Specifications

965 kPa (140 psi) @ 160 rpm.
Perform compression test with engine at normal operating temperature, spark plugs removed and throttle wide open.

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