My gas gauge is stuck on full, even when the car is off.... any ideas?
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01-20-2008
My gas gauge is stuck on full, even when the car is off.... any ideas?
01-20-2008
bad sender, bad wire. Not sure, but if the ground goes bad I think it may stick on full. Mine shows full 99% of the time also
01-20-2008
Yeah, its hard to tell what is causing this. But I know that my sending unit was messed up on my other 97. I replaced the entire fuel pump with a good used unit from Ed and it was fine after that.
01-20-2008
If it is just staying on full, from my own deduction, I would say it is probably not a bad sending unit.
This was the problem on almost every 99' and up silverado's, it is rare to find one that didn't have this problem, and the gas guage would bounce around and then got back to empty, then to full, and so on and so on. I believe other models of gm have had this problem also.
Not saying it isn't a bad sending unit, but if gas guage isn't bouncing around, it is most likely another problem. The ground would be the first place I would look, then other places mentioned.
Last edited by s1795so2; 01-21-2008 at 07:52 PM. Reason: wow this post is number 666 for me, freaky.
01-21-2008
most likely if it is reading full your ground is bad.
01-22-2008
Where can i find the ground?
01-22-2008
well there might be a connector before the gas tank someone might be able to give you a better idea where exactly but when you find it. try wiggling it and see if you got a loose connection ill try to look at wiring diagrams during class tomorrow.
01-22-2008
there is a connector that is at the front of the trunk that looks like it plugs into the trunk, not sure where it's actually pulling the ground though
01-22-2008
mine only works when i have more than a half of a tank. once it goes below that half mark..........PPPPSSSSHHHHEEEEUUUUMMM!!! goes the needle to full
01-22-2008
mine works to 3/4 sometimes (although it's been a while since the tank was actually full)
01-30-2008
Mine Is Mess Up Too...so Much Fun...ran Out Of Gas Couple Of Times
05-27-2012
I'm having the same issue, Jw if you ever looked at those diagrams. Any help I can get would be amazing.
05-27-2012
Holy old thread, but I sure it just came up as part of what you were searching for.Originally Posted by Mikey Bonefas
But the cause for the fuel gauge to read full up and or empty and move up and down for no giving reason is most likely the fuel level senser/sender on the fuel pump. Its ca be a pretty simple fix if you are handy.
06-03-2012
haha yeah, it was the only one that seemed most like my problem.
got it fixed tho, just re-grounded the sender unit.
easier then i thought it would be.
06-03-2012
how do you fix it? my 97 has been stuck on E and said low fuel and the range never worked since i bought it
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