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Unread 07-03-2006, 11:23 AM   #1
Kentuckyarms
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6 speed 2.4L owners Bucking problem

Hello, I am taking my 2005 TJ in to the dealership July 5th to get it looked at. I have a problem with it which I will try to explain to you guys. I would like your opinions also.
The jeep wants to buck or lunge forward when going at low speeds. For example when I pull into the parking lot in 1st or 2nd gear around 10 mph it acts like I am pulsating the gas pedal. It wasnt that big a deal until I went trail riding. While down at Coal Creek OHV it become very irritating. It is almost non stop bucking in 4lo in 1st, 2nd, 3rd gear. All of this happens at low speeds up to 10 -15 mph. I am not moving the gas pedal up and down. One way to cure it when it starts is to let off the gas or mash the gas down. Which you really dont want to do when you are negotiating around rocks or other obstacles. The jeep has done this since I bought it. I put a REBB on it and 31's. Hopefully the dealership will not try to blame that.
Any ideas? When it starts doing this it can almost ruin a good trail ride.

I forgot to mention my RPM's can be anywhere from 2000 to 3500

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Unread 07-04-2006, 11:53 AM   #2
Kentuckyarms
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Tomorrow I take it to the dealer. Any ideas? Anyone else had this problem?
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Unread 07-12-2006, 05:05 PM   #3
Kentuckyarms
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Well the dealership says they can't find anything wrong with it. They hooked it up with their computer and also checked to see if the computer had the latest software. They believe my foot may be bouncing on the gas pedal. I'm not too sure about that. If that is the case, it must be very, very, touchy.
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Unread 07-12-2006, 05:11 PM   #4
JeepXJ00
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I know what you talking about. Does it do it on the highway when your in 2wd? 4lo on dry surfaces can sometimes skip when turning the wheel in any gear. Mine bucks only in first gear and only does it sometimes in 2wd. I hate it too so I know what your saying but I have no idea what it is. I have an 03' 5spd tho.
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Unread 07-12-2006, 05:15 PM   #5
Kentuckyarms
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Quote:
Originally Posted by JeepXJ00
I know what you talking about. Does it do it on the highway when your in 2wd? 4lo on dry surfaces can sometimes skip when turning the wheel in any gear. Mine bucks only in first gear and only does it sometimes in 2wd. I hate it too so I know what your saying but I have no idea what it is. I have an 03' 5spd tho.
It only does it at low speed 10 mph or so. 1st or 2nd gear in 2WD. In 4LO out on the trails it does it more. Almost like the engine thinks it is going to stall but in reality the RPM's are too high (1500-2500).
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Unread 07-12-2006, 06:23 PM   #6
Rocky529
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This is a problem I have yet to hear happen with manual transmissions,
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Unread 07-12-2006, 06:34 PM   #7
jeepnewbee
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you should try riding the clutch a little more... the problem will go away.
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Unread 11-30-2011, 01:37 PM   #8
Turyk
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I also had this same problem for three years. The problem was solved by changing the plugs. After changing the plugs the jeep had more power and started to shift a lot smoother.
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Unread 11-30-2011, 02:05 PM   #9
TJRUSSELL
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I had the same problem...plug wire was grounding to the tb bracket
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