Crazy gas needle in 92 SE - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-02-2004, 09:51 AM   #1
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Default Crazy gas needle in 92 SE

I just got a 92 SE and got it running again after it was sitting for a year.

While test driving it around the block, I noticed the gas gauge going insane. It was bouncing all over, from completely full to completely empty. I've never seen anything like this, and am curious what could be causing this to happen.
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Old 03-02-2004, 01:57 PM   #2
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Default Re: Crazy gas needle in 92 SE

Quote:
Originally Posted by LordBug
I just got a 92 SE and got it running again after it was sitting for a year.

While test driving it around the block, I noticed the gas gauge going insane. It was bouncing all over, from completely full to completely empty. I've never seen anything like this, and am curious what could be causing this to happen.
There'* a service bulletin on fluctuating gas gauges that might fit your problem. I think we have a copy of it in TechInfo somewhere...
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Old 03-02-2004, 01:57 PM   #3
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Default Re: Crazy gas needle in 92 SE

Quote:
Originally Posted by LordBug
I just got a 92 SE and got it running again after it was sitting for a year.

While test driving it around the block, I noticed the gas gauge going insane. It was bouncing all over, from completely full to completely empty. I've never seen anything like this, and am curious what could be causing this to happen.
There'* a service bulletin on fluctuating gas gauges that might fit your problem. I think we have a copy of it in TechInfo somewhere...

Ah, try this: http://www.bonnevilleclub.com/techinfo/?article=31
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Old 03-02-2004, 02:16 PM   #4
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Actually, that doesn't answer the question. I probably should've mentioned this, but the tank was at least half empty, probably nearly empty. I put 8.5 gallons in (18 gallon tank, right?) before I stopped filling (gas is too damned expensive), so the tank was definately not full to begin with.

That TSB talks about how the needle will correct itself after a few minutes. My needle didn't. I had the car out 15-20 minutes and the needle was constantly jumping all over. It never stayed on any given spot for more than 15 seconds.
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Old 03-02-2004, 02:26 PM   #5
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Quote:
Originally Posted by LordBug
That TSB talks about how the needle will correct itself after a few minutes. My needle didn't. I had the car out 15-20 minutes and the needle was constantly jumping all over. It never stayed on any given spot for more than 15 seconds.
Okay, at this point I think I'd just drive the car for a while and see if it settles down. Maybe just an oxidized rheostat in the gas tank sending unit that will correct itself after the car has sloshed around the gas for a little while.
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Old 03-12-2004, 04:05 PM   #6
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Default crazy gas gage

i have a 97 SE and has done the same thing. I did it alot last summer (particulary in a friends driveway, thought there was a magnatic field there-haha)_then it stopped. Recently did major repairs, still not running. hopefully by end of weekend. Will post if it fixed itself.
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Old 03-12-2004, 04:47 PM   #7
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My 94 Grand Prix will do that same thing when it gets below a 1/2 tank. I've also had some problems with my Bonneville, when it goes below half tank it will read full ocasionally. It just started doing this recently.
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