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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
1.9L
VIN 7 9.3:1
VIN 9 9.5:1
2.0L 9.2:1
2.2L 9.1:1
2.3L
VIN A 10.0:1
VINs D & 3 9.5:1
2.5L 8.3:1
Normal Compression Pressure
Except 1.9L (1)
1.9L 185-205 psi (13-14.0 kg/cm2 )
Minimum Compression Pressure
Except 1.9L (1)
1.9L 180 psi (12.7 kg/cm2 )
(1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm2 ).
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