Question about 2006 Jeep Grand Cherokee

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I have a 2006 grand cherokee. Sometimes without warning when I come to a stop (after driving with no lights,warning,etc.) My truck hesitates when I accelerate. The rpm's go all the way up, and my truck doesnt speed ip right away. I then turn it off, and back on, and its perfectly fine until it happens again (1day, or 1month later) I have taken it to numerous mechanics, and nobody can find anything wrong. Recently, the jeep dealer told me to replace the shift moduale (the park,reverse,neutral,drive thing). I spent $700 and a few days later the same thing happened. I dont know what else to do. Please help.

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Could be a bad idle control valve. causing idle surge and rise and stick open to allow a large vacuum leak in your manifold which would cause those Symptoms of rough acceleration and loss of power similar to a missfire.

Posted on Mar 16, 2011


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