Manifold Pressure/Vacuum Sensor: Service and Repair

Removal Procedure

Other than checking for a worn grommet and loose harness connectors, the only service possible is a unit replacement if the diagnosis
shows a malfunctioning MAP sensor.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.




1. Disconnect the negative battery cable.




2. Disconnect the MAP sensor harness connector.

NOTE: Do not rotate or pry on the MAP sensor when removing. Damage to the MAP sensor or the intake manifold may result.

3. Remove the MAP sensor by pulling straight up with a slight rocking motion.
4. Remove the MAP sensor grommet.
5. Discard the MAP sensor grommet.

Installation Procedure




1. Install a new MAP sensor grommet on the MAP sensor.




2. Install the MAP sensor.
3. Connect the MAP sensor harness connector.
4. Connect the negative battery cable.