Operation CHARM
: Car repair manuals for everyone.
Home
>>
Jaguar
>>
1992
>>
Sovereign L6-4.0L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Description and Operation
>>
Overrev Protection
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