GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Fuel Tank Pressure Sensor Replacement

Removal Procedure

    Object Number: 65739 Size: SH

    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. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the spare tire cover, the jack, and the spare tire.
  3. Remove the trunk liner. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.
  4. Remove the 7 nuts retaining the fuel sender access panel.
  5. Remove the fuel sender access panel.

    6. Object Number: 50636 Size: SH
  6. Disconnect the fuel tank pressure (FTP) sensor electrical connector.
  7. Remove the FTP sensor (7) from the modular fuel sender assembly.

Installation Procedure

    Object Number: 50636 Size: SH
  1. Install the new FTP sensor (7) to the modular fuel sender.
  2. Connect the FTP sensor electrical connector.

    3. Object Number: 65739 Size: SH
  3. Install the fuel sender access panel.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the 7 nuts retaining the fuel sender access panel.

    5. Tighten
    Tighten the nuts to 10 N·m (88 lb in)

  5. Install the trunk liner. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.
  6. Install the spare tire , the jack, and the spare tire cover.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.