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Old Nov 20, 2004 | 04:15 AM
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Default Spastic Fuel Gauge...

I filled up,,, Gauge went to full,,, 12 miles later the guage was reading 3/4 tank. The next morning it was full again... This has happened several times. Any thoughts?
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Old Nov 20, 2004 | 08:48 AM
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A number of forum members report this happening to their cars. May have something to do with the sulfur content of the gas you are using. Try switching brands or running a bottle of Techron in the tank.

On my '99, the dealer replaced the fuel sending units for this same problem. Good luck.
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Old Nov 20, 2004 | 09:11 AM
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Unfortunately, this happens so often, it's almost considered "normal".
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Old Nov 20, 2004 | 09:42 AM
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I kinda have the same thing happening. When I fill up, the gauge only registers half. If I shut the car off and restart it, it will register full. This is the only thing wierd about it. Once it has hit the full mark, it functions correctly until I'm on empty.

It's like my float in the tank gets stuck or something.

Mark
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Old Nov 20, 2004 | 10:17 AM
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Originally Posted by JDs00PewterCoupe
A number of forum members report this happening to their cars. May have something to do with the sulfur content of the gas you are using. Try switching brands or running a bottle of Techron in the tank.

On my '99, the dealer replaced the fuel sending units for this same problem. Good luck.

Mine used to to that until I started putting Chevron in all of the time. I know that Chevron is not available in every state - but I think the Techron addititve in a bottle is available everywhere.

My buddy took his 03 in for this problem, and the service advisor asked if he's been using Chevron. When he said yes, she had the fuel gauge sending units replaced. She would have either way, but the point was well taken.
Here's an interesting web page that discusses Top Tier Gasoline, who makes it and what it is.... http://www.toptiergas.com/
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Old Nov 20, 2004 | 12:38 PM
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Originally Posted by JDs00PewterCoupe
On my '99, the dealer replaced the fuel sending units for this same problem. Good luck.
I just took my '99 in last week to have them replaced. I have GMPP so no charge.
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