GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 1922202 Size: SH
  1. Disconnect the engine wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.

    2. Object Number: 1922215 Size: SH
  2. Remove the MAP sensor screw (1).
  3. Remove the MAP sensor (2).
  4. Inspect the MAP sensor seal for damage, replace as necessary.

Installation Procedure

    Object Number: 1922215 Size: SH
  1. Lubricate the MAP sensor seal with clean engine oil.
  2. Install the MAP sensor (2).

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the MAP sensor screw (1).

    4. Tighten
    Tighten the screw to 9 N·m (80 lb in).


    Object Number: 1922202 Size: SH
  4. Connect the engine wiring harness electrical connector (1) to the MAP sensor.