Fuel Gauge ALWAYS FULL -- 2000 GMC Safari

crosis38

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Vehicle: 2000 GMC Safari SLT (4.3L V6)

The fuel gauge is consistently reading FULL (or rather more than full). I know the gas is quite low. What tests can i perform to determine the exact cause of this problem?

I dont want to have to purchase a new Fuel Level Sensor ($100 + shipping) if i dont have to.

Thanks
 
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