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 harness electrical connector from the manifold absolute pressure (MAP) sensor.
  3. Remove the MAP sensor and seal.

Installation Procedure


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