GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Intrigue 🢒 Engine 🢒 Engine Controls - 3.5L 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 256277 Size: SH
  1. Remove the injector sight shield mounting nuts (2).
  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 breather tube in order to access the MAP sensor.
  4. Remove the MAP sensor (1) from the intake manifold.
  5. Disconnect the MAP sensor electrical connector.
  6. Inspect the MAP sensor grommet for wear or damage and replace as needed.

Installation Procedure

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

    5. Object Number: 256277 Size: SH
  5. Keeping the injector sight shield as level as possible place the rear (1) of the shield under the mounting bracket (6).
  6. Align and press the injector sight shield (4) onto the mounting studs (5).
  7. Install the mounting nuts (2) onto the mounting studs (5).

    8. Tighten
    Tighten the mounting nuts (2) to 3N·m (27 lb. in.).