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1995 Jaguar XJ12 Question: Car stops running after about 20 minutes

 

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redheadjaglover, Elizabeth City, NC, April 20, 2011, 10:02
 Rookie

Fabulous vehicle-love it. Have driven it for 3 years with no real problems. I do routine maintenance. Now, car starts up every time with no problem. Runs for about 20 minutes before it fails. Starts right back up after it fails. When it fails it feels like it is losing power.Dealership says electric problem but wants tons of money for a diagnostic test it claims may not pinpoint the problem. It is not the fuel injection system-that has all been tested. Be gentle. I try to learn a lot about the car I drive but by no means a car expert! This is what I got from the divorce. Single mom, limited income now but I would love to keep her(the car I mean!)Towed multiple times to dealership and other recommended experts. Still no fix. I appreciate any insight others may have.

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  • Answer #1

    Superbob April 20, 2011, 10:53
     Master

    First thing I'd say is find an independent Jag expert and stick by him if the dealer doesn't give you satisfaction. I'm partial to independents, myself, they don't make any money if they can't fix cars..
    I'd be checking the ignition system for spark when it dies and since yo say it loses power before shutting down,
    I'd check the fuel pressure with a test gauge attached and see what happens when it stalls.
    This should not be hard to diagnose for an experienced technician!
    Some things to remember: You have an expensive, complicated to the 9's, high performance, luxury English car and it costs money to own one of such. You are very fortunate to have one of my personal favorites (as a mechanic and as a driver) and you can get your money's worth with a committed, experienced Jag tech. Go find one..
    If you want to find a specialist, here's a directory link for you:
    https://repairpal.com/directory?address=27909&car_bra...

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    redheadjaglover, April 20, 2011, 11:41
     Rookie

    I really appreciate your prompt response and insight. Thank you. The testing for fuel pressure has been done and all is ok according to the dealer.

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