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Home >> Jeep >> 1989 >> Cherokee Limited, 2D Utility >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Engine Compression
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Engine Compression

Test compression with all spark plugs removed, throttle plates and choke valve wide open and engine at normal operating temperature. Crank engine through at least 5 compresstion strokes before recording reading.

NOTE: Specifications for compression pressure and cylinder pressure variation are not available form manufaturer.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.2:1
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