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Mechanical Inspection: Compression

Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. See engine analyzer manual for specific instructions.

DO NOT use ignition switch during compression tests on fuel injected vehicles. Use a remote starter to crank engine. Fuel injectors on many models are triggered by ignition switch during cranking mode, which can create a fire hazard or contaminate the engine's oiling system.

COMPRESSION SPECIFICATIONS (1)

Application Specification
1.5L (VIN J) 171 psi (12.0 kg/cm2 )
1.5L (VIN X) 137 psi (9.6 kg/cm2 )
1.6L (VIN Y) 171 psi (12.0 kg/cm2 )
1.8L (VIN T) 131 psi (9.2 kg/cm2 )
2.0L (VIN R) DOHC 137 psi (9.6 kg/cm2 )
2.0L (VIN U) DOHC Turbo 114 psi (8.0 kg/cm2 )
2.0L (VIN V) SOHC, 2.4L, 2.6L & 3.0L 119 psi (8.4 kg/cm2 )
(1) Maximum variation between cylinders 14 psi (1.0 kg/cm2 )