XJR MISFIRE

1995 Jaguar XJ8

Tiny

Pilly

October, 10, 2007 AT 7:29 AM

Hi I have a misfire on my Jag with no fault codes I have changed the coils, cleaned Maf sensor, changed plugs, renewed crank sensor and the lambda sensor's are only 1 year old, any ideas would be helpfull

All compressions at 10 bar and no coolant loss

FOUND 2124 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

1 Answer

Tiny

fstranger302

November, 16, 2007 AT 6:40 PM

Hello, have you checked the fuel injectors on the fuel rail. Unplug one injector at a time and see if the miss stays the same or gets worse. You should be able to find the bad injector if there is one. It sounds like you have a injector problem. Another possible problem could be a valve problem. If you have a vacumn guage find a vacum source, and install it it should be steady, and not flucating.

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