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Home >> Mitsubishi >> 1995 >> 3000GT Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Engine Controls - Specifications - 1.8L) >> Mechanical Checks >> Engine Compression

Engine Compression

WARNING: This page is about a different car, the 1996 Mitsubishi Mirage, 1996 Eagle Summit Wagon, and 1996 Eagle Summit. However, it is still accessible from the selected car via links, so may be relevant.

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

COMPRESSION SPECIFICATIONS

Application (1) Specification
Compression Ratio
Mirage & Summit 9.5:1
Summit Wagon 8.5:1
Compression Pressure
Mirage & Summit 199 psi (13.9 kg/cm2 )
Summit Wagon 185 psi (13.0 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
(1) See ENGINE/VIN ID article for VIN information.