If your fuel gauge is inaccurate, the problem lies with:
* The fuel gauge sender unit: This is the component in the gas tank that measures the fuel level. It might be faulty or have become disconnected.
* The fuel gauge cluster itself: The gauge in your instrument panel could be malfunctioning.
* Wiring issues: A break or short in the wiring between the sender and the gauge.
To address an inaccurate fuel gauge, you'll need to troubleshoot these components, likely requiring a mechanic or some DIY expertise with vehicle electronics.