gas gauge reading full tank all the time - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-19-2007, 03:40 PM   #1
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Default gas gauge reading full tank all the time

Does anybody now if it'* a typical reason why my gas gauge reads full all time....or at times it bounces from half to fuel tank even why the gas is low...someone told me it was the fuel sending unit does that sound about right?
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Old 09-19-2007, 04:01 PM   #2
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feul sending unit is what i put my money on
or you could also have a bad gauge cluster
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Old 09-19-2007, 05:14 PM   #3
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sounds like the fuel sender unit, i think its a common problem in this era iirc..
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Old 09-19-2007, 09:13 PM   #4
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thanks i'll check it out...BTY is this that in th feul tank or is a way i can check to see if thats the problem before i take it to a rip-off artist
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Old 09-19-2007, 09:26 PM   #5
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for a second voice on this... it is most likely the sending unit. Both of my cars have that problem. ill just look at the trip meter and get gas every 300 miles.
thats the econo cheap way to resolve the problem
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Old 09-19-2007, 09:31 PM   #6
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yeah i wish..... i only get 140 miles on a full tank w/ a tune up, new plugs, wires, oil change, new oil filter, air filter O2 sensors and a recently changed UIM and LIM w/ new modified upper plenum and pipestack
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Old 09-20-2007, 12:20 AM   #7
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I have an 04 SE and mine started doing this in the past two days... If I remember correctly, while I was at NYBF, I was in between two white cars... is it possible that the white curse has been transfered to me? :(
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Old 09-20-2007, 12:48 AM   #8
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Quote:
Originally Posted by showshocka2k
yeah i wish..... i only get 140 miles on a full tank w/ a tune up, new plugs, wires, oil change, new oil filter, air filter O2 sensors and a recently changed UIM and LIM w/ new modified upper plenum and pipestack
thats no good you might want to start another thread about getting your miles per gallon up (unless you already have...)
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Old 09-20-2007, 09:27 AM   #9
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Quote:
Originally Posted by phoenix
... is it possible that the white curse has been transfered to me? :(
Most likely. For the 00 folks..your swap is much easier. Hans posted a fix for under $40 and it'* quick to do since you have the secret hatch in the trunk.

92-99'* have to pull the tank down. You can crawl under and check the connections. Also there is a thread here somewhere about adding a resistor for fuel gauge issues..although I can't remember if it applies to this situation.
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Old 09-20-2007, 09:40 PM   #10
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Yeah I've got the same problem...I can usually push 350-ish miles from my tank without getting too scared. Don't get me wrong, I absolutely love having a working fuel gauge, but I'm not ready to drop that kind of change getting my stuff fixed.

Boosty...can you tell us what connections to check as a starting point at least? Also, would you recommend unplugging and cleaning the connections?

Good luck to ya ShowShocka! Hope you get your mpg'* up!
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