GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Pressure Sensor Replacement Sedan

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.

Fuel Tank Pressure Sensor Replacement Maxx

Removal Procedure


    Object Number: 1796271  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the fuel tank fuel pump module wiring harness electrical connector (2) from the fuel tank pressure sensor.

  3. Object Number: 1796299  Size: SH
  4. Gently pull upward in order to remove the fuel tank pressure sensor from the fuel tank module.

Installation Procedure


    Object Number: 1796299  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: 1796271  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 .