Got a 2000 Jeep Wj v6. It has a bad idle and quivering problem. I've changed the IAC valve, messed with the brake booster cable, and took the catalytic converter off. Eventually the idle and quivering problem gets so bad it will stall the engine. It also does the idle jumps really bad when pressing on the break or while in reverse. It's got a code showing up for oxygen sensor 1 and then it has oxygen sensor 2 on there twice. It also has some miss firing on the codes of the cylinders. Also before I knew that it was in a bad shape I took it on a little off roading (excitement from just buying it of course). I noticed on the rocky roads (not extreme, just medium sized rocks on the road) it began to stall but this time it lost power. Had my foot on the floor and it would not go over 20 mph. Turned off and re started and worked fine all the way home. That seems to be my only situation for now on just being able to drive the thing regularly. Also it's not running hot and all levels are good and checked. Thinking maybe oxygen sensor or a short because of how it acted on that rocky road.
Jeep idle problem
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