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hummer recovery team 01-31-2013 06:33 PM

Weird issue
Hi guys, I have a 2006 jeep commander and have been having a minor issue, when the jeep sits overnight in our garage and I back it out its fine until I get on an incline than the idles go up and down and the jeep is bucking. If I start it on a flat surface it's fine. I cleaned my throttle body and put on a new map sensor and I a c and tps I reset computer and everything was fine, now the issue is back. 89,000 miles and no codes. I am meticulous with maintenance.

Thanks for any help, guys.

brentwoodkris 02-01-2013 03:12 PM

Re: Weird issue
bucking at angles makes me think of fuel pressure regulators and fuel pump. Also in the cold season could be water in the gas lines.

hummer recovery team 02-14-2013 11:22 PM

Well I had replaced my tps about a year ago with a standard brand one. I recently tried a brand new mopar one and no more issue. Jeeps are picky with anything but mopar I guess. Thanks for the help.

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