GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 1686288 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the engine harness electrical connector (3) from the manifold absolute pressure (MAP) sensor.

    3. Object Number: 1686294 Size: SH
  3. Carefully disengage the locking tabs holding the MAP sensor.
  4. Remove the MAP sensor.

Installation Procedure

    Object Number: 1686294 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. Ensure that the locking tabs engage to hold the MAP sensor.

    3. Object Number: 1686288 Size: SH
  3. Connect the engine harness electrical connector (3) to the manifold absolute pressure (MAP) sensor.
  4. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .