Manifold Pressure/Vacuum Sensor: Service and Repair

Manifold Absolute Pressure Sensor Replacement

On the L26, the manifold absolute pressure (MAP) sensor is mounted to the positive crankcase ventilation (PCV) valve cover.

Removal Procedure

1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
2. Disconnect the MAP sensor electrical connector.




3. Carefully release the locking tabs holding the MAP (1) sensor to the PCV valve cover (2) just enough to remove the MAP sensor.
4. Pull the MAP sensor straight out of PCV valve cover.

Installation Procedure




1. Ensure that the seal is installed on the MAP sensor and that the seal is not damaged.
2. Position and install the MAP sensor (1) to the PCV valve cover (2). Ensure that the locking tabs engage to hold the MAP sensor to the PCV valve cover.
3. Connect the MAP sensor electrical connector.
4. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).