GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Pressure Sensor Replacement 2DR Utility and Pickup

Fuel Tank Pressure Sensor Removal

For 4DR Utility Models, refer to Fuel Tank Pressure Sensor Replacement .

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.

  2. Object Number: 64998  Size: SH
  3. Relieve the fuel pressure. Refer to fuel pressure Fuel Pressure Relief Procedure .
  4. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  5. Lower the fuel tank.
  6. Remove the fuel tank.
  7. Refer to the following procedures:

    • Fuel Tank Replacement (Suburban)for the Suburban.
    • Fuel Tank Replacement (Tahoe/Yukon)for the Tahoe/Yukon.
    • Fuel Tank Replacement (Extended Cab - Side Tank) for the extended cab (side tank)
    • Fuel Tank Replacement (Pick-up - Side Tank) for the pick-up side tank
    • Fuel Tank Replacement (Cab and Chassis - Side Tank) for the cab and chassis- side tank
    • Fuel Tank Replacement (Cab and Chassis - Rear Tank) for the cab and chassis - rear tank.
  8. Disconnect electrical connector.
  9. Remove Fuel Tank Pressure sensor (1) from fuel sender assembly (2)

Fuel Tank Pressure Sensor Installation


    Object Number: 64998  Size: SH
  1. Install the Fuel Vapor Pressure Sensor (1) on the fuel sender assembly (2).
  2. Reconnect electrical connector
  3. Install the fuel tank.
  4. Refer to the following procedures:

    • Fuel Tank Replacement (Suburban)for the Suburban.
    • Fuel Tank Replacement (Tahoe/Yukon)for the Tahoe/Yukon.
    • Fuel Tank Replacement (Extended Cab - Side Tank) for the extended cab (side tank)
    • Fuel Tank Replacement (Pick-up - Side Tank) for the pick-up side tank
    • Fuel Tank Replacement (Cab and Chassis - Side Tank) for the cab and chassis- side tank
    • Fuel Tank Replacement (Cab and Chassis - Rear Tank) for the cab and chassis - rear tank.
    • Connect the negative battery cable.

Fuel Tank Pressure Sensor Replacement 4DR Utility

Fuel Tank Pressure Sensor Removal

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel pressure. Refer to Fuel Pressure Relief Procedure .
  3. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  4. Lower the fuel tank.
  5. Remove the fuel tank. Refer to Fuel Tank Replacement (4 Door Utility) .
  6. Disconnect the Fuel Tank Pressure Sensor electrical connector.

  7. Object Number: 373051  Size: SH
  8. Remove the Fuel Tank Vapor Pressure sensor from the fuel tank housing.

Fuel Tank Pressure Sensor Installation


    Object Number: 373051  Size: SH
  1. Install the Fuel Tank Pressure Sensor on the fuel tank.
  2. Reconnect the Fuel Tank Pressure Sensor electrical connector.
  3. Install the fuel tank. Refer to Fuel Tank Replacement (4 Door Utility) .
  4. Connect the negative battery cable.