GM Service Manual Online
For 1990-2009 cars only

The MAP sensor is mounted to the intake manifold vacuum source.

Removal Procedure


    Object Number: 21663  Size: MH
  1. Remove the MAP sensor electrical connector.
  2. Carefully bend the locking tabs that hold the MAP sensor to the manifold vacuum source just enough to remove the MAP sensor.
  3. Pull the MAP sensor straight out of vacuum source.

Installation Procedure


    Object Number: 21663  Size: MH
  1. Ensure that the seal is installed on MAP sensor and that the seal is not damaged.
  2. Install the MAP sensor to the manifold vacuum source. Ensure that the locking tabs engage to hold the MAP sensor to the vacuum source.
  3. Connect the MAP sensor electrical connector.