GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 21663  Size: MH
  1. Remove the fuel injector sight shield.
  2. Disconnect the MAP sensor electrical connector.
  3. Carefully open the MAP sensor retaining tabs just enough to remove the MAP sensor from the vacuum source.
  4. Pull the MAP sensor straight out of vacuum source.

Installation Procedure


    Object Number: 21663  Size: MH
  1. Ensure that the seal is correctly installed on MAP sensor and that the seal is not damaged.
  2. Install the MAP sensor to the vacuum source. Ensure the retaining tabs engage.
  3. Connect the MAP sensor electrical connector.
  4. Install the fuel injector sight shield.