Question about 2002 Jeep Grand Cherokee

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My jeep will just quit running as if you turned off the key.

Sometimes it will start back up and other times it has to sit for a while. But then it just happens again. the engine has been throughly check out and everything is good. There is no warning when it dies. It does not
overheat and the fuel pump is new.

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  • Bill Schilz
    Bill Schilz May 11, 2010

    Did you replace the fuel filter when you replaced the fuel pump?



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  • 6,982 Answers

Likely everything checked out during testing because it was running properly during the tests. Obviously everything can't be good or you would not have a problem. A failing crank position sensor or a bad ignition switch come to mind first., or possibly a bad auto shutdown or fuel pump relay. (or their contacts where they plug in.) Without being there to do testing, I can't give a definite answer (but the shop couldn't either) but, that's where I'd start looking.
Good luck

Posted on Oct 04, 2009


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