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Old Sep 29, 2006 | 11:14 AM
  #1  
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Default fuel gauge problem

I took a semi-long trip yesterday, and after about 45 minutes of highway driving, the fuel gauge dropped from almost full to completely empty. The low fuel warning came on, even though I know I had a practically full tank. After a few hours of the car sitting, I started her up again and the fuel gauge was fine, showing just over 3/4 full. Again after about 40 minutes of highway driving the same problem occured. Any ideas?
Maybe a ground problem?
HELP!
P.S. Today ok, but I only drive about 10 miles to work.
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Old Sep 29, 2006 | 11:16 AM
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You're probably experiencing what many others have. Get a bottle of Techron and add it to your next tank. The sulphur buildup tends to make the gas gauge go nuts.
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Old Sep 29, 2006 | 12:09 PM
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Default Sorry...whats techron?

Sorry...whats techron and where should I get it? The only place that sell auto stuff by me is walmart, do you think they have it?
Thanks
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Old Sep 29, 2006 | 12:15 PM
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Im not 100% sure, but I think that Walmart DOES carry that.

SInce we are on the subject...I ALWAYS gas up at Chevron with Premium grade (which has Techron additives), do I still need to buy a bottle of Techron every once in a while?
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Old Sep 29, 2006 | 12:28 PM
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I'm not sure if Wallyworld has it, but auto parts stores do. It's Chevron Techron. According to their website, Advance Auto has it. Pepboys, Autozone, etc...probably do as well.
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Old Sep 29, 2006 | 12:31 PM
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Originally Posted by Chicago
You're probably experiencing what many others have. Get a bottle of Techron and add it to your next tank. The sulphur buildup tends to make the gas gauge go nuts.

I got a bottle of Techron from Wal-Mart. You also might want to switch brands of gas and see if that helps.
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Old Sep 29, 2006 | 12:32 PM
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Had the same problem . 2 tanks with Techron and the gauge works perfect . The dealer wanted 620.00 to fix , go figure. Bought mine at NAPA.
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Old Sep 29, 2006 | 12:48 PM
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Default You guys are GREAT!

Thanks! just taking a peep on the forum, and Bingo! You all are explaining how to fix the lastest little prob i'm haveing with my '01. At 3 dif. spots on the gage(1/2, 1/3, 1/8) neddle drops to E. Then I have to clear the code while driving, and it pops rite back where it's supposed to be. I'll have to pick some of that up on the way home. Got a Pont. Montana doing it too. Thankyou!
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Old Sep 29, 2006 | 03:11 PM
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You are probably have a better chance to find it at an automotive store....Napa, Oreilly, etc. I just got back from Wal-mart about 15 min ago and I looked to see if I could find a bottle of Techron...(Doesnt mean they dont carry, could have been out today, but just FYI.

Good luck on getting it worked out...

How about the question I asked? Does filling up with Premium grade at Chevron exclude us from having to buy a bottle every once in a while?
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Old Sep 29, 2006 | 04:32 PM
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I'll check what the dealer fixed when I get home.
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Old Sep 29, 2006 | 04:48 PM
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There are a number of possibilities
1. fouling of sender ... use a good fuel sytem cleaner like Cheron Techron, SeaFoam, Valvoline Synpower or Chemtool B-13
Follow that up with a Brand of gasoline with a beter detergency package
see www.toptiergas.com

2. A bad ground connection
3. a faulty sending unit.
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Old Sep 29, 2006 | 09:08 PM
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I have this problem too. Everytime I fill it up the needle goes dead, but sure enough when I get down to about half a tank, it comes right back. I've ran several bottles of Techron through to no avail.
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Old Sep 30, 2006 | 09:30 AM
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From: manahawkin nj
Default where would I look for a bad ground?

where would I look for a bad ground connection for the gas tank/fuel gauge?
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Old Sep 30, 2006 | 10:29 AM
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From: Sincity
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I had the same fuel gauge problem lastnite, i'm headed to pepboys for some Techron. I hope this works, heaven knows i don't want to take it to the dealer!!
Damon
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Old Nov 10, 2006 | 01:34 PM
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Still have the fuel guage problem after two bottles to two tanks of Textron. I think I'm going to add it at a higher concentration than what they rec.
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