2004 Jaguar XJR 4.2L Excessive knocking
Vehicle has a very loud knocking noise only under
acceleration (heavy acceleration). It sounds like
detonation (the "marbles in cylinder" sound), but it is
very pronounced. So much so we initially thought it was a
mechanical problem.
FIX posted 2/17/2010
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Message Closed w/FIX
Vehicle Data2004 Jaguar XJR
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2004 Jaguar XJR
VIN | SAJWA73B74 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Knocking |
Occurs | Under Load |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |
P0306 | Cylinder 6 Misfire Detected |