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Posted on Feb 09, 2010
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I have a '97 Jeep Grand Cherokee Laredo 4.0 liter that won't idle

I have a '97 Jeep Grand Cherokee Laredo 4.0 liter. It suddenly decided not to idle. Using the accelerator pedal to keep it over 800 rpm's, it runs just fine. Driving around, so long as I keep my foot on the accelerator, it runs very well. When I let up off the pedal, it idles down and dies. Is there a quick easy fix?

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  • Posted on Feb 10, 2010
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Check your throtle postition sensor. It monitors what postion the throtle is at and sends that info to the ecm. It will go bad and cause that problem.

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