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Old 04-28-2010, 03:40 AM   #31
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Originally Posted by CityBoy View Post
I'm gunna let others chime in, but it sound like an O2 sensor to me..
I agree^^ I had similar sputtering / stalling issues, and wasn't throwing a code. Turned out to be the upstream O2 sensor. It was an easy one to check out because I unplugged the sensor and it ran fine, plus it turned out to be the cheapest solution after chasing my tail with plugs / cables / sensors.

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Old 06-23-2010, 02:37 PM   #32
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Last thing I tried was unplugging the 02 sensors and my problem continued. I bit the bullet today and drove my TJ to the Jeep stealership that is just down the road from my house. I have tried everything that I could think of and everything that you guys have recomended. My problem persists and I couldn't think of what other parts to throw at my TJ. I hope the stealership can figure out what the issue is and may they have mercy on my wallet!!!

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Old 06-23-2010, 03:57 PM   #33
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Why don't you try a TPS sensor from Chrysler since some other here keep mentioning the ones from autozone don't seem to be good ones?...instead of getting bent over by the dealer, cuz you know you'll get charged an arm and both legs when you go there.
Well he's already replaced at least 100 bucks worth of stuff that obviously weren't the problem. I would say she had a good run and take it to the stealership for a proper diagnosis since he seems to not have a mechanic that he can trust and is nickel and diming his way to a complete rebuild.

I can replace anything on a car (and did for 2 years in a shop), but I suck at diagnosing problems.
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(also try heat and your favorite penetrant from the back side).
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Old 06-23-2010, 04:10 PM   #34
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Well I just got word from the dealership and they figured out that the problem is a clogged fuel injector, low pressure from the fuel pump and bad fuel filter. They quoted me a estimated discount price of $620.00 for parts and $491 for labor. They are sure that replacing the fuel pump, a injector and the fuel filter will solve the jeeps problems. If not, I’m back to square one and out over $1,100 bucks. I just think its weird that it can run fine for a few miles then stall then just start working again then stall and over and over. I figured that clogged injector and bad fuel pump would make it run bad all the time….what do I know.
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Old 06-23-2010, 04:49 PM   #35
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Well I just got word from the dealership and they figured out that the problem is a clogged fuel injector, low pressure from the fuel pump and bad fuel filter. They quoted me a estimated discount price of $620.00 for parts and $491 for labor. They are sure that replacing the fuel pump, a injector and the fuel filter will solve the jeeps problems. If not, I’m back to square one and out over $1,100 bucks. I just think its weird that it can run fine for a few miles then stall then just start working again then stall and over and over. I figured that clogged injector and bad fuel pump would make it run bad all the time….what do I know.
I was reading this post not realizing how old it was and thinking all the time from your description that it sounds like a clog in the fuel system somewhere. I hope you found it finally.

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Old 06-23-2010, 05:21 PM   #36
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Can you run some CHEM TOOL through it?
It might clean it's arteries.

Chem Tool website
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Old 06-23-2010, 08:31 PM   #37
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I was thinking fuel pump as I read your description of what it's doing. I've seen many in-tank pumps cause an intermittent stall, then restart but not take any throttle. Once they start that intermittent stuff, it's only a matter of time before it leaves you in tennis shoe mode.
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Old 06-23-2010, 09:05 PM   #38
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Years ago I had a similar experience (without the codes). It would run a little while then sputter, lose power and stall. Letting it sit for a few minutes and we could get a few more miles down the road. I'll never forget a road trip from Dallas to Austin that took all day....not a fun day. Turned out to be a bunch of water in the gas tank. The neighbors kid where we were staying in Dallas had played "service station" and used the water hose to "fill er up". My sister found this out after we dumped the gas tank.
Good luck!
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Old 06-23-2010, 09:32 PM   #39
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Thanks guys
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Old 06-23-2010, 09:54 PM   #40
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Where do you buy your fuel? Some places offer to pay for fuel related problems/repairs if caused by their fuel???

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