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Old 06-20-2010, 10:19 PM   #1
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Gas Tank Automatic Stopper

Don't know the technical term...the automatic "gas tank is full, stop pumping gas" thingie isnt working properly. if i sit by the tank while im filling up, it stops the gas pump about 2 seconds too late, and a cup or two of gas spills out on the side of the jeep and ground....any ideas?

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Old 06-20-2010, 10:22 PM   #2
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I'm going to take a shot in the dark and say that you have a TJ? A lot of people seem to have that problem, I'm not sure if a solution has been found yet. Let me google that for you

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Old 06-20-2010, 11:09 PM   #3
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ive never had it happen to me. maybe the previous owner fixed it
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Old 06-20-2010, 11:31 PM   #4
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the automatic "gas tank is full, stop pumping gas" thingie isnt working properly.

I have never heard of this device in the vehicle. I think the gas pump you use is the faulty one. The nozzle is supposed to stop the gas from over flowing by the gas going into the little hole in the nozzle and shutting the flow off. At least that is how they work in California.
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Old 06-21-2010, 06:28 PM   #5
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You've got it right 530ktm.
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Old 06-21-2010, 09:31 PM   #6
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What 530ktm said.
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Old 06-23-2010, 10:02 PM   #7
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My 2006 TJ has the same problem...no matter which gas station I use.
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Old 06-23-2010, 10:17 PM   #8
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I doubt it's the pump. More than likely something not working properly in the fill neck of the Jeep itself.
What that would or could be, I have no clue, but it's NOT the pump nozzle.
My TJ never does it, but my GF's KJ always does, at any/every pump we use, even if I use the same pump right after she fills up.
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Old 06-23-2010, 10:35 PM   #9
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mine is the opposite mine stops almost a quarter tank to soon so when i fill up i usually only get 3/4 of a tank
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Old 06-23-2010, 10:48 PM   #10
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My 06 TJ does this. If I fill the tank, the filler neck will projectile-vomit gasoline like Linda Blair. Do a YouTube search for "Wrangler overflow".
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Old 06-23-2010, 11:33 PM   #11
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Here's the simplest fix.......don't fill up. Get it close and settle for that. That's what I have to do. Mine's not a daily driver, so it's easier for me to just put $15-$20 worth of fuel in at a time......
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Old 06-24-2010, 12:54 AM   #12
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sometimes if you pull the silver part of the handle out a little bit, know how large your tank is, and only put in about how much you need it works. The 1st time that I filled up my 05 Tj it overflowed and ever since I have backed out the nozzle a 1/2 inch and i have not had any over flows even working with the same pump. hope that this helps ppl.
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Old 06-24-2010, 01:04 AM   #13
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I've almost started a thread on this myself. Many a time my Jeep BP'd itself while filling up.
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Old 06-27-2010, 10:15 PM   #14
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I've been having this same problem with my '06 for about a year now. I've read other threads done some online research and some suggest it has to do with the tank itself...especially in the '06's. Many have dropped and replaced their tanks to fix the problem...as for me...I just do the math based on the gas gauge and and stop filling before it actually burps at me!
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Old 06-27-2010, 10:20 PM   #15
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I have the same problem, never fill it. I was told there is a "breather tube" inside the fill tube. If there is a kink in the tube the tank is not allowed to burp. only way to fix is to drop the tank andput in new breather. I don't know if this is the cause - but it was the best explaination so far.
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Old 06-27-2010, 10:34 PM   #16
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Yeah a lot easier just to slow it down when you get towards the end and it won't be an issue.

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