The fuel sending unit is part of the fuel pump module. To replace it you must drop the gas tank.
The 2002 Chevrolet Impala runs on regular unleaded.
It is probably the fuel sending unit inside the fuel tank. Sometimes there is a cover that you can remove to replace it. Other times the fuel tank has to be removed to replace it.
You will have to remove the gas tank and install a fuel module.
To replace the fuel sending unit in a 2002 Oldsmobile Aurora, first, ensure the vehicle is safely lifted and secured. Disconnect the battery, then remove the fuel pump access cover in the trunk. Carefully detach the fuel lines and electrical connectors from the sending unit, and unscrew the unit from the fuel tank. Install the new sending unit by reversing the removal steps, ensuring all connections are secure and leak-free before reconnecting the battery.
You will have to remove the gas tank and install a fuel module.
You need to take it to a repair shop that has the equipment to properly repair it.
how do you replace the fuel sending unit
very carefully
The fuel sending unit for your fuel gauge is inside the fuel tank with the electric fuel pump
The fuel tank has to be removed to gain access to the fuel sending unit. The fuel sending unit and the fuel pump is replaced as a unit.
It is located in the gas tank.
It has a electric pump inside of the fuel tank.