GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1790125  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the fuel tank fuel pump module wiring harness electrical connector (1) from the fuel tank pressure sensor.

  3. Object Number: 1791484  Size: SH
  4. Gently pull upward in order to remove the fuel tank pressure sensor from the fuel tank module.

Installation Procedure


    Object Number: 1791484  Size: SH
  1. Lightly lubricate the sensor seal with clean engine oil.
  2. Press the sensor down fully into the fuel tank module.

  3. Object Number: 1790125  Size: SH
  4. Connect the fuel tank fuel pump module wiring harness electrical connector (1) to the fuel tank pressure sensor.
  5. Install the fuel tank. Refer to Fuel Tank Replacement .