Question about 1997 Jeep Grand Cherokee

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It will not idle, and the lights on the dash go on and off and it will not charge the battery(new alt and batt)

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  • wojlisa59 Jan 10, 2009

    My headlights dim when I take foot off gas and then dies.
    Could it be the alt. or loose belt?

  • mary horton Jun 29, 2013

    yes it can be or voltage regulator can bad in d alternator

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  • 4 Answers

I did not have the light dimming thing but I had the same problem with the idle... frustrating.

I picked up a repair manual at the parts store. I took off the throttle body and cleaned it with throttle body cleaner spray. I changed the Idle Air Control Valve (idle speed motor) which was very clogged. While I had the throttle body off I also changed the Map Sensor and Throttle Position Sensor. The manual will walk you through the steps. I had never done anything like this before. If I can do you so can you.
My Jeep has never run better. Good Luck

Posted on Jan 26, 2009

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Posted on Jan 02, 2017

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how long does it take to drain down
have the alt rechecked by auto store they do it for free 
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poormansdvd@yahoo.com if you need further trouble shooting

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