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vipertech, ASE Certified Technician
Category: Jeep
Satisfied Customers: 1854
Experience:  Jeep factory certified technican
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2007 Jeep commander. engine rpms occilate from 700 to 2000

Customer Question

2007 Jeep commander. engine rpms occilate from 700 to 2000 when idling. Transmission shiffts automatically between 40mph an5000 mph when driving .Trans drops down 1 or two gears at high speed. with no extra pressure on gas peddle. dash lights stay on, engine light anti skid,etc but go off just as independently. cruise control also quit working at same time as all other malfunctions
Submitted: 1 year ago.
Category: Jeep
Expert:  vipertech replied 1 year ago.

Evening, before I can help you I need some more info.....first what size engine do you have 4.7 or 5.7? Next, you mentioned that the check engine light has been coming on. Have you had the codes scanned as of yet?