For 1990-2009 cars

### Removal Procedure

1. Raise and support the vehicle, high enough to access the top of the fuel tank through the wheelhouse liner. Refer to Lifting and Jacking the Vehicle .
2. If the vehicle is crew cab, lower the fuel tank. Refer to Fuel Tank Replacement .
3. Remove the left rear pickup box wheelhouse liner. Refer to Pickup Box Wheelhouse Liner Replacement .
4. Disconnect the chassis wiring harness electrical connector from the fuel tank pressure sensor (1).
5. Pull upward in order to remove the sensor from the fuel tank module.

### Installation Procedure

1. Lightly lubricate the sensor seal with clean engine oil.
2. Press the sensor fully into the fuel tank module.
3. Connect the chassis wiring harness electrical connector to the pressure sensor (1).
4. Install the left rear pickup box wheelhouse liner. Refer to Pickup Box Wheelhouse Liner Replacement .
5. If the vehicle is a crew cab, install the fuel tank. Refer to Fuel Tank Replacement .
6. Lower the vehicle.