GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Manifold Absolute Pressure Sensor Replacement

Manifold Absolute Pressure Sensor Replacement VIN K

Removal Procedure
  1. Turn OFF the ignition switch.

    2. Object Number: 48328 Size: SH
  2. Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement .

    3. Object Number: 378514 Size: SH

    Important: The manifold absolute pressure (MAP) sensor is mounted to the PCV valve cover.

  3. Disconnect the electrical connector (2) from the MAP sensor (1).
  4. Carefully bend the locking tabs holding the MAP (1) sensor to the PCV valve cover (3) just enough to remove the MAP sensor.
  5. Pull the MAP sensor straight out of the PCV valve cover.

Installation Procedure

    Object Number: 378514 Size: SH
  1. Ensure that the seal is installed on the MAP sensor and that the seal is not damaged.
  2. Position and install the MAP sensor (1) to the PCV valve cover (3). Ensure that the locking tabs engage to hold the MAP sensor to the PCV valve cover.
  3. Connect the electrical connector to the MAP sensor (1).

    4. Object Number: 48328 Size: SH
  4. Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement .