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Home >> Jaguar >> 1993 >> XJ-6 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
PCME cancels fuel metering (injector operation) when it detects crankshaft sensor input:
6100 rpm manual transmission
5800 rpm automatic transmission