Sending units are a lever arm and a float, that increases in resistance the fuller the tank is 0 ohms=empty, 90ohms=full. If you have a bad electrical connection in the wiring path that can be cleaned, but the most common failure of a sending unit is getting stuck(usually reading completely full or empty). The sending units are sealed and cannot be cleaned.
The gas gauge sending unit would be located in the fuel tank.
Sending unit is in the gas tank attached to the fuel pump as an assembly.
supposedly there is a cover in the trunk that you can remove to access the top of the fuel tank to replace the fuel pump and sender
Should'nt be that tough. You have an access cover in the trunk under the carpet on the right side. Pull out the fuel pump and the fuel guage sending unit is part of the assembly.
Most fuel gauge problems are caused by a faulty fuel gauge sending unit. The fuel gauge sending unit is located inside the fuel tank. In most cases the fuel tank must be removed to replace the sending unit.
The fuel gauge sending unit would be found inside the fuel tank.
You may have a faulty fuel gauge sending unit in the fuel tank.
The cause of the faulty fuel gauge is probably the fuel gauge sending unit located inside the fuel tank. Replacing the sending unit would require dropping the fuel tank.
In most cases the fuel gauge sending unit inside the fuel tank is at fault.
either that or the gauge, wiring or a connector.
Your fuel sending unit is malfunctioning.
The fuel sending unit for your fuel gauge is inside the fuel tank with the electric fuel pump