GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1581050  Size: SH
  1. Remove the throttle body. Refer to Throttle Body Assembly Replacement .
  2. Disconnect the engine wiring harness electrical connector from the manifold absolute pressure (MAP) sensor.
  3. Remove the MAP sensor and the MAP sensor port seal if it is still retained in the intake manifold.

Installation Procedure


    Object Number: 1581050  Size: SH
  1. Install the MAP sensor with the port seal into the intake manifold.
  2. Connect the engine wiring harness electrical connector to the MAP sensor.
  3. Install the throttle body. Refer to Throttle Body Assembly Replacement .