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1999 Jaguar XJ8 Won's Start

Tiny
MARYSJAG
  • MEMBER
  • 1999 JAGUAR XJ8
  • V8
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
Jag was running just fine. Set over night and would not start mid day. Fired up for a few seconds then stalled. Would not re-start.

Spark checks out OK, fuel checks out OK.

Mechnics are stumped.

Happy to donate if I get any answers I can use. I have already paid but still waiting for answer.

Once when this happened I was told that if you put oil in the spark plug holes the Jag engine will rebuild compression and start. It worked before but I would like feed back on this.
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Monday, November 23rd, 2009 AT 5:23 PM

2 Replies

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
Have you actually got no compression? Are there any fault codes stored in the PCM
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Tuesday, January 5th, 2010 AT 5:50 AM
Tiny
HORTO02
  • MEMBER
  • 2 POSTS
I have exactly the same issue and have been told its low compression due to the piston rings wearing. This was from a Jag garage who said they could only replace the engine at over  7,000. They also said that I could just put foot on the accelerator when I turn the car over and it works.

It doesn't like cold starts but as the engine warms and metal expands issue goes away
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Wednesday, March 10th, 2010 AT 5:58 AM

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