The fuel gauge sensor is located in the fuel pump module.
You will need a flat blade screwdriver.
1. Reduce the pressure in the supply system (see «Reducing the pressure in the power system»).
2. Disconnect the wire from the terminal «minus» battery.
3. Remove the fuel pump module (see «Fuel pump replacement»).
4. Disconnect from the cover of the module the pads of the wiring harnesses of the fuel gauge sensor...
5....and the fuel pump.
6. Press the lock with a screwdriver, slide the fuel gauge sensor up...
7....and remove it.
8. Install the parts in the reverse order of removal.