GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 54360 Size: SH
  1. Remove the manifold absolute pressure (MAP) sensor screws.
  2. Disconnect the MAP sensor electrical connector.
  3. Remove the inlet vacuum hose from the MAP sensor.
  4. Remove the MAP sensor from the bracket.

Installation Procedure

    Object Number: 54360 Size: SH
  1. Position the MAP sensor to the bracket.
  2. Install the inlet vacuum hose to the MAP sensor.
  3. Connect the MAP sensor electrical connector.

    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 MAP sensor screws.

    5. Tighten
    Tighten the screws to 3 N·m (27 lb in).