Jaguar XJR 1995 misfire

1995 JAGUAR XJ8
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PILLY
  • MEMBER
  • 1 POST
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
Oct 10, 2007 at 12:29 AM
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FSTRANGER302
  • ✓Experienced Mechanic
  • 117 POSTS
[quote:5a18f2532d="Pilly"]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[/quote:5a18f2532d]



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.
Nov 16, 2007 at 10:40 AM
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