GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1887829  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  2. Disconnect the engine wiring harness electrical connector (2) from the manifold absolute pressure (MAP) sensor (1).

  3. Object Number: 1887830  Size: SH
  4. Remove the MAP sensor bolt (1) and sensor (2).

Installation Procedure


    Object Number: 1887830  Size: SH
  1. Lubricate the MAP sensor O-ring seal with clean engine oil.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the MAP sensor (2) and bolt (1). Tighten the bolt to 10 N·m (89 lb in).

  4. Object Number: 1887829  Size: SH
  5. Connect the engine wiring harness electrical connector (2) to the MAP sensor (1).
  6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.