gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Manifold Pressure/Vacuum Sensor|Locations|Page 792 > < Manifold Pressure/Vacuum Sensor|Locations|Page 790
Page 1
background image

Manifold Pressure/Vacuum Sensor: Service and Repair

Manifold Absolute Pressure Sensor Replacement

Removal Procedure

1. Remove the upper intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement   (See: Engine, Cooling and

Exhaust/Engine/Intake Manifold/Service and Repair).

2. Disconnect the engine wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.

3. Remove the MAP sensor retainer (1) from the intake manifold.
4. Remove the MAP sensor (2) from the intake manifold.

Installation Procedure

Important:  Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.

Manifold Pressure/Vacuum Sensor|Locations|Page 792 > < Manifold Pressure/Vacuum Sensor|Locations|Page 790