GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Intrigue 🢒 Engine 🢒 Engine Controls - 3.5L 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 256277 Size: SH
  1. Remove the mounting nuts (2) from the injector sight shield .
  2. Lift the injector sight shield off the mounting studs by lifting at the front (4) of the cover.

    3. Object Number: 256290 Size: SH
  3. Remove the MAP sensor (1) from the intake manifold.
  4. Disconnect the electrical connector from the MAP sensor .
  5. Inspect the manifold absolute pressure (MAP) sensor grommet for wear or damage, and replace as needed.

Installation Procedure

    Object Number: 256290 Size: SH
  1. Connect the electrical connector to the MAP sensor .
  2. Apply a small amount of lubrication to the MAP sensor grommet.
  3. Install the MAP sensor (1) to the intake manifold.

    4. Object Number: 256277 Size: SH
  4. Keeping the injector sight shield as level as possible, place the rear (1) of the shield under the mounting bracket (6).
  5. Align and press the injector sight shield (4) onto the mounting studs (5).

    6. 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.

  6. Install the mounting nuts (2) onto the mounting studs (5).

    7. Tighten
    Tighten the mounting nuts to 3 N·m (27 lb in).