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Home >> Jaguar >> 1990 >> Sovereign L6-4.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Overrev Protection
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Overrev Protection



PURPOSE
To prevent engine damage from over revving.

OPERATION
ECM cancels fuel metering (injector operation) when it detects crankshaft sensor input 6300 rpm.
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