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.
To replace the fuel level sending unit on a 2002 Isuzu Axiom, first disconnect the negative battery terminal to ensure safety. Then, remove the fuel tank by supporting it and unbolting the straps, followed by disconnecting the fuel lines and electrical connectors. Once the tank is down, access the sending unit by removing the fuel pump assembly, and then replace the old sending unit with the new one. Reassemble everything in reverse order, ensuring all connections are secure before reconnecting the battery.
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.
The fuel sending unit comes included in a module assembly. You will need to release the fuel pressure at the fuel rail schrader valve. Jack up the rear of the car and put it on jack stands and by NO means use cinder blocks. Disconnect the filler neck and all of the fuel lines. Disconnect the electrical connecters. Remove the tank straps and lower the gas tank. Remove the module assembly and install the new one. Reverse the procedure for installation.