Fuel Tank Fuel Pump Module

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The fuel tank fuel pump module is located inside of the fuel tank. The fuel tank module consists of the following major components:

The fuel level sensor
The fuel pump and reservoir assembly
The fuel strainer

Fuel Level Sensor

The fuel level sensor consists of a float, a wire float arm and a ceramic resistor card. The position of the float arm indicates the fuel level. The fuel level sensor contains a variable resistor which changes resistance in correspondence with the amount of fuel in the fuel tank. The engine control module (ECM) sends the fuel level information to the instrument panel cluster (IPC). This information is used for the instrument panel (I/P) fuel gauge and the low fuel warning indicator. The ECM also monitors the fuel level input for various diagnostics.

Fuel Pump

The fuel pump (2) is mounted in the fuel tank module reservoir. The fuel pump is an electric pump. Fuel is pumped to the fuel injection pump at a specified flow and pressure. The control module controls the electric fuel pump operation through a fuel pump relay.

Fuel Strainer

The fuel strainer attaches to the lower end of the fuel sender. The fuel strainer is made of woven plastic. The functions of the fuel strainer are to filter contaminants and to wick fuel. The fuel strainer is self-cleaning and normally requires no maintenance. Fuel stoppage at this point indicates that the fuel tank contains an abnormal amount of sediment.