2001 Jaguar XJ8 Logo
Posted on Sep 18, 2009
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My 2001 Jaguar XJ8 seems to run rather hot; although no problems; however I have an amber engine light that stays on. My car runs fine other than that. I just went to Auto Zone and had the codes checked but their computer has no info for Jaguars. One suggestion was a faulty fuel cap so I ordered a new one. Any idea why my engine light stays on ? Thanks.

  • donnyboy204b Oct 30, 2009

    Thanks for the answers, I'll check out the water pump.

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I am not familiar with the light your speaking of (I am assuming a warning light for engine heat?) if she's running warm the thermostate may be failing or stuck in a partially closed/open position.

If the light is an Engine Check light then yes is may be as simple as a faulty fuel cap not holding presure within the tank. You'll note some cars when you open the cap there is a small "huff" of air as the cap is removed.
I hope this may have helped,
Tom

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  • Posted on Oct 30, 2009
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Try replacing the water pump impeller. It is nylon and wears rather easily. Have had Jags for over 25yrs, so I kind of have a feel for most of the problems.

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  • Posted on Oct 08, 2009
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HI I HAD THIS PROBLEM THE PLASTIC WATER PUMP IMPELLORS CAME OFF ONE BY ONE

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