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1999 Pontiac Grand AM 4DR. SE fuel gauge and other problems(help)

I have a very good-sized dent right over where u put the gas into the car(sorry don't know the technical term). Anyways, the fuel gauge fluxuates all over the place from e to full to half to full back to e(it's crazy). I wanted to know what could really be wrong that will cause the gauge to act up? also want to know what to check for after the dent is popped out and how to check it all. Oh and if someone can tell me how to pop that dent out(like i said its big and in that quirky spot) i would appreciate it alot

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I have a 97 and an 00 Grand Prix and an 03 Pontiac Montana. The fuel gauge in all three vehicles don't work. The dealer here says it's a common problem in Colorado where I live. The government required additives in the gas cause corrosion problems with the fuel level sensor float linkage that sends the signal to the fuel gauge. The repair requires the removal of your fuel tank and replacement of the linkage and sensor. It would cost somewhere around $500. I've leared to reset my trip meter with every fill-up and watch the miles and check the fuel mileage with every fill-up to make sure I know when I'm about to run out.

Posted on Dec 18, 2009

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I have a 1999 pontiac grand am . My fuel gauge when it goes down to half a tank, then it starts and goes back up to full tank and when it gets there the tank is empty. What should I do or look for ?

Posted on Aug 15, 2009

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First: for the dent, Call a dent removal person. Its about $50 here in California. It will come out better than if you do it yourself.

Second: If the dent isnt actually pinching a wire its not the reason for the gauge dancing. i would be looking for a loose wire, possibly the connector to the tank. If this doesnt work the gas tank will have to be removed or electrical test will have to be performed.

Posted on Jul 21, 2009

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