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Engine Compression: J30

Check engine compression at normal operating temperature at specified cranking speed. Release fuel pressure, and disconnect crankshaft position sensor harness connector. Remove all spark plugs, and hold throttle wide open.

COMPRESSION SPECIFICATIONS - V6

Application Specification
Compression Ratio 10.5:1
Normal Compression Pressure (1) 186 psi (13.1 kg/cm2 )
Minimum Compression Pressure (1) 142 psi (10.0 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1 kg/cm2 )
(1) Measured at 300 RPM.