Gas gauge intermittent


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Old 03-02-16, 05:14 AM
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Gas gauge intermittent

I have a 2000 Chevy Silverado which has an inconsistent gas gauge. When I fill the tank it registers on the gauge I have an empty tank. After using some fuel it shows what I assume the correct fuel amount. Periodically as the tank gets closer to empty it again registers empty. I would assume it is either the gauge or the float. Any help would be appreciated.
 
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Old 03-02-16, 06:00 AM
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Welcome to the forums!

While a sticking float is a possibility I'd closely inspect the wiring [especially near/at the tank] first.
 
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Old 03-02-16, 10:54 AM
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It's also a very common problem for the sender to go bad. It's a coil of resistance type wiring that the float arm slides over. That wire gets rusted and worn out causing loss of a gauge reading. Unfortunately it's not repairable and the fuel pump and the sender is replaced as a unit by dropping the fuel tank.

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Old 03-02-16, 11:07 AM
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Floats tend to get stuck and then the gauge doesn't move. I think PJ has the most likely scenario nailed.
 
 

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