Question about Jaguar XKR

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Misfires Runs fine until engine reaches 3,000 revs then misfires. New cylinder lined engine fitted in 2002 and mileage on new engine is 42,000

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  • mrjoehauser Jan 07, 2009

    I have been t-shooting the same issue. Now it is broke hard with cyl 1,3,5 misfires and catalytec failures. Used to run up to 3K rpm, then fall down. plugs changed just prior to breaking hard. Upper IMT function check good. Any ideas?

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  • Master
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I had the same problem on two cars and found the leads would break down under load changed the leads no more problem.

Posted on May 15, 2008

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