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Engine Compression Saturn SL I

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

ApplicationSpecification
Compression Ratio
1.9L
VIN 79.3:1
VIN 99.5:1
2.0L9.2:1
2.2L9.1:1
2.3L
VIN A10.0:1
VINs D & 39.5:1
2.5L8.3:1
Normal Compression Pressure
Except 1.9L(1)
1.9L185-205 psi (13-14.0 kg/cm 2 )
Minimum Compression Pressure
Except 1.9L(1)
1.9L180 psi (12.7 kg/cm 2 )
(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/cm 2 ).
(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/cm 2 ).

COMPRESSION SPECIFICATIONS