Question about 2004 Jeep Grand Cherokee

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My 2004 jeep grand cherokee fails to start. It turns over and sounds normal however will not start the engine.

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  • sambrown50 Mar 28, 2011

    The battery works fine and I cleaned the connections. I also tried jumping it off as well. No dice.

  • sambrown50 Mar 28, 2011

    105K, How do I check for spark on the spark plugs?



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Quite possibly a broken timing belt. When it is broken you will have no spark so the motor will spin and spin but never fire up.

Posted on Mar 28, 2011

  • 2 more comments 
  • sambrown50 Mar 28, 2011

    SJNK77, I really hope you are wrong.

  • Sid Schmidt Mar 28, 2011

    How many miles are on the vehicle?

  • Sid Schmidt Mar 28, 2011

    Have you checked for any spark at the spark plug?

  • Sid Schmidt Mar 28, 2011

    I may have been mistaken the 2004 jeep grand cherokee has a timing chain not a belt so it should not have broken, but to find out for sure I would test for spark. One way to do this is to remove one spark plug wire and if you have a spare spark plug laying around hook the wire to it, next set it somewhere that it will not fall into the fan or any of the pulleys and watch it while someone turns the key. Make sure you are not touching the plug or wire though you can get a shock. If you dont have a spare plug just remove the plug that you unhooked the wire from and use it. If you see a spark than the timing chain is not the problem.



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