Proffesional help needed! RE: Fuel guage - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-01-2009, 04:22 PM   #1
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Default Proffesional help needed! RE: Fuel guage

On my '97 Bonnie. My gas guage has never read more than 1/2
full when it is full. Seems to only read when key is off. When
I start the car,the guage swings toward full then reads empty.
Is this the sending unit or electrical?
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Old 12-01-2009, 04:29 PM   #2
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Sounds like the sending unit went out. When you key on, the gauge goes to full showing it'* working, then no signal.
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Old 12-01-2009, 05:00 PM   #3
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Its a quick swing of the needle.Not all the way up,but in that direction
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Old 12-03-2009, 01:09 AM   #4
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I second Dan'* diagnosis. You may have seen the video floating around on how to change a fuel sender on a 2000 Bonnie. Unfortunately, if I remember correctly, the fuel sender ('92-'99) is in the tank itself, so you may want to get a professional (or a lift) to help.

My gauges don't go left to right when I turn the car on, strangely. They just work (although my fuel gauge thinks it'* full at fourteen gallons, not sixteen). Can someone double-check that '97 SE gauges are supposed to sweep like that?
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