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Unread 04-01-2014, 06:07 AM   #1
kittoria
Registered User
2002 TJ Wrangler 
 
Join Date: Mar 2014
Location: Rochester, New York
Posts: 2
Hesitation after driving

My 2002 4.0 with 105,000 has a small annoying problem. On cold morning I go warm up my Jeep for like 5 minutes back it out of the driveway. Drive about 150 ft to a stop sign, then when I go to accelerate she revs up and just sits there for like 10-15 seconds. The RPM's go up to like 3000 and when it does go it accelerates fast because my foot is on the gas trying to make her go. She might do it again 1000 ft down the road at the next stop sign. But after that she drives fine. No check engine lights or any other problem and she only does it with below freezing temperature. Any thoughts? Some one said fuel filter but it's getting gas.

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Unread 04-01-2014, 08:10 AM   #2
Angus_Brown
Registered User
2001 TJ Wrangler 
 
Join Date: May 2013
Location: Oklahoma City, OK
Posts: 43
Have you checked the transmission fluid level? Low fluid in an automatic can make it rev up and engage similar to what you're describing.
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Unread 04-03-2014, 05:32 PM   #3
kittoria
Registered User
2002 TJ Wrangler 
 
Join Date: Mar 2014
Location: Rochester, New York
Posts: 2
yes it was fine. Im planning on changing it later this month.
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Unread 04-03-2014, 05:52 PM   #4
crouse11c
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1985 CJ7 
 
Join Date: Oct 2011
Location: Oahu, Hi
Posts: 319
First it could be many things from fluid to tranny itself. First fluid level when at operating temp. Next what color is the fluid. If not red and more brownish red then the fluid has had it and needs replacing. Next don't just change the fluid make sure you flush it also since you are having a problem. Fluid stays in different parts when just draining, so you are just kinda making it better fluids. Next are seals. If the seals are leaking it can cause this also. I am not a fan on additives at all but tranx or Lucas tranny conditioner stuff. It swell the seals or it says it does. I have had a friend that the tranx worked for but can not tell you how long. But it is classic morning sickness for trannys. I would flush and add new fluid and a little additive to it before moving on to a possible larger problem.
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