What would cause gas gauge not to work?
What Causes The Fuel Gauge Not To Work? ... An inaccurate fuel tank reading is most commonly caused by the sending system which reads the fuel tank level and sends the reading to the gauge. Issues can also stem from a bad gauge, blown fuses, or corroded wiring. You can self-test all of these parts at home with a few tools.
Where is the fuse for the fuel gauge?
The fuse for your fuel gauge is more likely to be the same as the fuse for the entire instrument panel. This means that it should be located under the driver's dash side or somewhere in the engine compartment.