1999 Chevy Silverado

Dear Doctor: I have a 1999 Chevy Silverado. Every time I fill the gas tank it reads “empty” until I drive away and then it may slowly register a full tank. Is it the sending unit, the gauge, or a loose ground? Dave

Dear Dave: The easiest way to check problems on vehicles, such as your 1996 truck, is with a professional scan tool. The computer monitors information from input sensors, including the fuel gauge sender. It does sound like a lazy fuel meter sender and it is part of the fuel module. The easiest way to gain access to the fuel module is to remove the bed bolts on the truck and tailgate, and just slide the bed back enough to get to the module. Dash clusters have also been problems, however they usually also have problems with the speedometers and gauges.



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