Sierra Denali RWD V8-6.2L (2009)
Manifold Pressure/Vacuum Sensor: Service and Repair
Manifold Absolute Pressure Sensor Replacement
Removal Procedure
1. Remove the intake manifold sight shield. 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 (4) from the manifold absolute pressure (MAP) sensor.
3. Remove the MAP sensor retainer.
4. Remove the MAP sensor.
Installation Procedure
Important: Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.