Lucerne V6-3.9L (2009)
Manifold Pressure/Vacuum Sensor: Service and Repair
Manifold Absolute Pressure Sensor Replacement
Removal Procedure
1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (See: Engine, Cooling and Exhaust/Engine/Intake
Manifold/Service and Repair).
2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
3. Remove the spark plug wire clip from the intake manifold bracket, if necessary.
4. Remove the upper intake manifold bolts.
5. Remove the MAP sensor and bracket.
6. Remove the MAP sensor seal from the upper intake manifold.
Installation Procedure