Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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Jaguar
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1990
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Sovereign L6-4.0L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Compression Check
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Specifications
Compression Check: Specifications
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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)