GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Pressure Sensor Replacement Utility/Crew Cab

Removal Procedure


    Object Number: 64998  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection ,
  2. Relieve the fuel pressure. Refer to Fuel Pressure Relief .
  3. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Disconnect the fuel tank pressure sensor electrical connector.
  6. Remove the fuel tank pressure sensor (1) from fuel sender assembly (2)

Installation Procedure


    Object Number: 64998  Size: SH
  1. Install the fuel tank pressure sensor (1) on the fuel sender assembly (2).
  2. Connect the fuel tank pressure sensor electrical connector.
  3. Install the fuel tank. Refer to Fuel Tank Replacement .
  4. Refill the fuel tank.
  5. Install the fuel filler cap.
  6. Connect the negative battery cable.
  7. Inspect for leaks.
  8. 7.1. Turn ON the ignition for 2 seconds.
    7.2. Turn OFF the ignition for 10 seconds.
    7.3. Turn ON the ignition.
    7.4. Inspect for fuel leaks.