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2004 Jeep Grand Cherokee Question: While driving the RPM's will rev up but my speed does not increase.

 

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Karren, 4.0L 6 Cylinder, Potwin, KS, March 14, 2013, 13:22
 Rookie

It acts like when you have cruse control on and you are going up a slight hill so it automatically pushes the gas to keep you going the correct speed. But only the RPM's increase then go back down. After it does it a few times the check engine light goes on. Then after a couple days the light goes back off.

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