GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Firefly (Canada) 🢒 Engine 🢒 Engine Controls - 1.3L 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 241783 Size: SH
  1. Remove the bolt from the bracket that retains the manifold absolute pressure (MAP) sensor.
  2. Lift the MAP sensor from the intake plenum.
  3. Disconnect the MAP sensor electrical connector.
  4. Remove the MAP sensor from the MAP sensor bracket.

Installation Procedure

    Object Number: 241783 Size: SH
  1. Install the MAP sensor to the MAP sensor bracket.
  2. Connect the MAP sensor electrical connector.
  3. Install the MAP sensor to the vacuum port of the intake plenum.

    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 bracket bolt.

    5. Tighten
    Tighten the bolt to 10 N·m (89 lb in).