For 1990-2009 cars

### Removal Procedure

1. The fuel tank pressure sensor is located on top of the fuel pump module cover.
2. Remove the fuel tank from the vehicle. Refer to Fuel Tank Removal procedure in this section.
3. Disengage the electrical connector from the fuel tank pressure sensor.
4. Remove the retaining nut and washer.
5. Disengage the sensor from the fuel pump module cover.

### Installation Procedure

Notice: To facilitate installation of the tank pressure sensor into its mounting boss on the fuel pump module cover, lightly lubricate the multi-ribbed seal on the tank pressure sensor. A drop of clean engine oil is sufficient.

1. Install the tank pressure sensor into the fuel pump module cover mounting boss.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the retaining nut and washer.

Tighten
Tighten the fuel tank pressure sensor nut to 2 N·m (18 lb in).

3. Install the electrical connector to the fuel tank pressure sensor.
4. Install the fuel tank. Refer to Fuel Tank Replacement .