Jeep Randomly wants to die while driving and at idle
#1
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Location: New Hampshire
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Year: 1996
Model: Cherokee
Jeep Randomly wants to die while driving and at idle
I have a 99 jeep Cherokee 4.0 6cyl 180ish thousand miles, auto that bogs down while driving and at idle randomly to the point where if i give it gas it does nothing, but when i shut it off and turn it back on it runs fine.I'm at a loss on what the issue is, no check engine light is on and my check engine light does work. Ive replaced the Tps (cel came on for it last year) plugs and wires and I'm 99.9% sure i don't have a vacuum leak. Could it be the cps? any help would be appreciated as I'm not very mechanically inclined.
Thanks
Thanks
#4
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Location: Colorado Springs
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Year: 1991
Model: Cherokee
Engine: 4.0L
Sounds similar to when my CPS went. I would get fluctuating Idle at stop lights, but I could shift to neutral at a light and give it a little extra gas to keep it going. If I recall I also got a CEL when it was acting up. I would rule out fuel related issue first, but yeah, it "could" be your CPS starting to go.
#5
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Location: Eustis, Florida
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Year: 1996
Model: Cherokee (XJ)
Engine: 4.0
Could be the Coolant Temp Sensor. Mine failed and it felt like the engine was dying. Wouldn't idle, kept stalling, had to power brake to keep the engine running at a stop.
#6
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Year: 2000 - Murdered out
Model: Cherokee
Engine: 4.0 I6
Mine did this when the O2 sensor got caught up in the driveshaft. Check that, then check your fuses under the hood.
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#10
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Year: 1996
Model: Cherokee
Thanks for all the replies, i will look into all suggestions and update when i find anything, quick question though. i went to the jeep dealer to get a price on a cps and they have one for a manual trans (i have an auto), does it matter if its for manual of auto?
#12
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Year: 1991
Model: Cherokee
Engine: 4.0L
I am pretty sure they are the same. If getting it from the dealership, give them your VIN # and they can use that to pull exact parts for you. I know when I worked at the dealer, we always used the last 8 of the VIN to put in our parts requests.
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