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Home >> Jaguar >> 1991 >> XJ-6 L6-4.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Overrev Protection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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.