how do i fix an inaccurate fuel gauge on a 1983 chevy truck?

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MattTaylor

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it'll show that the truck has some gas in it but it actually has more than what it says
 
In actuality, it may very possibly not be your gauge at all. There is a very good likely hood it is really the sending unit in your fuel tank. The sending unit in the tank acts like a resistor that allow more or less current to pass based on the fuel in the tank that is measured by a float attached to the sending unit. I have had very few occasions when the gauge itself was bad. More often than not I have found the problem to be the sending unit in the fuel tank. Replacing the sending unit (if necessary) is not an extremely difficult task, it just takes some time.
 
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