I have a 96 jeep grand Cherokee. When i accelerate quickly,...

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Question by travis
Submitted on 5/19/2004
Related FAQ: rec.autos.makers.chrysler FAQ, Part 1/6
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I have a 96 jeep grand Cherokee. When i accelerate quickly, it sputters and hesitates and the rpms drop. As the vehicle runs longer, it becomes worse. It is especially noticeable when pulling long hills. At times it will do it on flat land if i press the gas firmly as f to pass someone. I have had it checked and the computer said to replace the Oxygen Sensor. This did not help. i have replaced the fuel filter and checked for water in the gas. nothing seems to help...any ideas?

Answer by billy
Submitted on 6/13/2004
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i would check spark plug wires.

Answer by glib
Submitted on 6/23/2004
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dude, if it's an engine problem ie. misfired on you cylinders or something like that then you're check engine light would be on, and you can get it checked with a opd2 scanner at a local autozone. sounds like a tranny problem though, transmission slippage, try using some lucas tranny slip reducer

Answer by C.K.
Submitted on 12/12/2004
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Your catalytic converter could be clogged.

Answer by duke
Submitted on 1/8/2005
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Your fuel pump is failing

Answer by marshall
Submitted on 1/16/2005
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try cleaning or replacing the fuel injectors,I had a similar problem and that solved it for me..

Answer by Adrian Cabrera
Submitted on 2/18/2005
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Men there is three things they could be. 1. there are 2 oxygen sensors one in the Cat and one in the muffler going to the engine. 2.Do a tune-up in case of electrical problems. 3. The Transmission slip but if you took it to autozone and they said 02 sensor or oxygen sensor then is that b/c i had the same problem I have a 1996 grand cherokee with a 7" lift with 35" mud-terrain and thats all I do go mudding and rock krawling and stuff and that thing gave me trouble also. Let me know. Im selling my jeep to b/w Adriancabre@yahoo.com

Answer by dennis
Submitted on 2/20/2005
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could be alot of things ranging from coil pick up to plugs and wires and or cap and rotor,or if fuel injected several sensors such as map and or throttle idle control vale..good luck on this one..

Answer by Commanchecruiser
Submitted on 5/19/2005
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I don't know if this will help but my Comanche is doing the exact same thing and it was caused by me driving through a deep river Its for sure not the tranny its definitely the engine but you could take off the distributer cap and check under there and make sure it all looks correct.

Answer by HSoto
Submitted on 8/20/2005
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Check your cat. if could be clogged. it happened to me with my bonniville. sounds like the same problem. even more so with you changing your O2 sensor and nothing. check ur cat. converter after you drive if its glowing red its clogged(take off heat sheilds around it) or just take it off and see if its clogged. you should be able to look through your cat.

Answer by HILLARYSUCKS
Submitted on 9/25/2005
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DO NOT use any tranny slip reducer!!! if the trans was slipping, the rpms would go up, not down! i am having a similar problem with my jeep, i have a 94 wrangler with the 4.0, i've been told to check the fuel injectors, and see if i have a clogged catylitic converter

Answer by steven
Submitted on 1/4/2006
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it the fan belt

Answer by Kramer
Submitted on 2/24/2006
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I HAVE THE SAME PROB. ITS DEFINETLY UR TRANNY IT'LL COST AT LEAST $1500 EVEN FOR A REBUILT!!!

Answer by jeep man
Submitted on 4/27/2006
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spark wire is the prob have seen it happen in more then one jeep the get hot and foul out because they so close to the manifold

Answer by smurf
Submitted on 7/25/2006
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anymore specifics on this problem? it could be anything from a clogged catalytic converter to crossed #1 and #2 fuel injector conectors to a t.c.c issue, or an aray of sensors that could even involve your temprature sensor sender that is mounted on your thermostat housing.

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Answer by fuel filter
Submitted on 8/23/2006
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its the fuel filter it gets clogged and limits the flow of fuel to your engine its pretty cheap just 13 dollars or so!!!

Answer by moonman
Submitted on 9/18/2006
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dude, my car does the same thing i found out it was because it was geting to hot it also somtimes clickes when it gets hot but it doesnt do it when it just started it has to warm up

Answer by Dan
Submitted on 11/17/2006
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Its your catylic converter...I had those exact same problems on my Jeep. Change it and your symtoms will go away.

Answer by jerry
Submitted on 12/2/2006
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Try replacing the crank sensor. Ask you part or service mangers where it is located.

Answer by mc
Submitted on 12/3/2006
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Your catalytic converter in your exhaust system is plugged.

Answer by mudder
Submitted on 1/28/2007
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fuel pump had same problum with my 96 jeep grandcherokee costs about $305. the whole tank has to be dropped

Answer by Roll
Submitted on 2/7/2007
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You may have a computer problem. Has your battery went dead lately. Mine did and it was doing the same thing yours is doing. take it to the dealer. NOT autozone.. And the dud about your tranny slipping, hes gets the dummy of the yr award. Good luck man..