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Home >> Jaguar >> 1990 >> Sovereign L6-4.0L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications

Compression Check: Specifications


NOTE: The cranking speed must not drop below 300 rpm and the throttle must be wide open.


Compression Pressure 200-220 psi
Differential between cylinders 10 psi (max)

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