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Home >> Jeep >> 1998 >> Cherokee Classic, 2.5 P >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications - 2.5L >> Mechanical Checks >> Engine Compression
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Engine Compression

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

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.1:1
Normal Compression Pressure 120-150 psi (8.3-10.5 kg/cm2 )
Maximum Variation Between Cylinders 30 psi (2.1 kg/cm2 )
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