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Engine Compression

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

COMPRESSION SPECIFICATIONS

Application (1) Specification
Compression Ratio
1.8L (VIN T) 9.0:1
2.0L (VIN R)
Eclipse 9.0:1
Galant 9.8:1
2.0L (VIN U) 7.8:1
2.0L (VIN V) 8.5:1
Compression Pressure
1.8L (VIN T) 185 psi (13.0 kg/cm2 )
2.0L (VIN R)
Eclipse 192 psi (13.4 kg/cm2 )
Galant 220 psi (15.4 kg/cm2 )
2.0L (VIN U) 164 psi (11.5 kg/cm2 )
2.0L (VIN V) 178 psi (12.5 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
(1) See ENGINE/VIN ID article in the this Section for VIN information.