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2004 Jeep Grand Cherokee Question: Intermittent Idle speed and unwarranted Transmission downshifting



ehunterjr, 4.7L V8, Marietta, GA, June 28, 2010, 12:12

Driving on flat road with cruise engaged or not, transmission will downshift for no reason (as if I began going uphill). Also idles high at times. Revving up momentarily usually drops idle rpm back to normal level. Both somewhat intermittent but regular. Both began at same time.

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