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running rough

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Old 01-12-2011, 06:52 PM
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my cherokee is running rough at idol, and when im accelerating. i just purchased it a week ago and before today it ran fine but now im afraid to even attempt to drive it anywhere. at idol it starts losing rpms and the jeep shakes for a few seconds then revs up and stops then repeats every min or so. when accelerating it feels like im not getting any fuel but as soon as i get ready to pull over and turn on the hazards it suddenly starts working again. i've changed the fuel filter, cap and rotor, plugs and wires. btw the jeep is a 93 cherokee country, 4.0L, manual.
Old 01-12-2011, 06:54 PM
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Originally Posted by fishmandan
my cherokee is running rough at idol, and when im accelerating. i just purchased it a week ago and before today it ran fine but now im afraid to even attempt to drive it anywhere. at idol it starts losing rpms and the jeep shakes for a few seconds then revs up and stops then repeats every min or so. when accelerating it feels like im not getting any fuel but as soon as i get ready to pull over and turn on the hazards it suddenly starts working again. i've changed the fuel filter, cap and rotor, plugs and wires. btw the jeep is a 93 cherokee country, 4.0L, manual.
TPS sensor possibly, IAC could be another. How's the air filter?
Old 01-12-2011, 06:59 PM
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its a k&n and it looks like its got too much oil on it but its been in there sense i got it and this all happened today after work. it ran great this morning.
Old 01-12-2011, 07:00 PM
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I just bought mine a lil over a moth ago, and was having kind of the same issues, I had a lose ground, the one from the battery to the engine block was really lose, so i tightened and checked all other grounds and now my XJ runs smooth. Might wanna check that. Good Luck!!
Old 01-12-2011, 07:45 PM
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with new vechicles all connection hoses and fluids should be visually checked as much as humanly possible
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