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

Removal Procedure

    Object Number: 1623766 Size: SH
  1. Remove the throttle body. Refer to Throttle Body Assembly Replacement .
  2. Disconnect the evaporative emission (EVAP) purge tube from the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the wiring harness clips from the fuel rail and reposition the harness out of the way.

    4. Object Number: 1581050 Size: SH
  4. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
  5. Remove the MAP sensor.

    6. Important: If the MAP sensor seal is damaged, the MAP sensor must be replaced.

  6. Inspect the seal for damage.

Installation Procedure

    Object Number: 1581050 Size: SH
  1. Install the NEW MAP sensor seal, if required.
  2. Install the MAP sensor.
  3. Connect the MAP sensor electrical connector.

    4. Object Number: 1623766 Size: SH
  4. Position the wiring harness and connect the harness clips to the fuel rail.
  5. Connect the EVAP purge tube to the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Install the throttle body. Refer to Throttle Body Assembly Replacement .