Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Manifold Pressure/Vacuum Sensor: Service and Repair

Manifold Absolute Pressure (MAP) Sensor:





1. Disconnect the electrical connector from the Manifold Absolute Pressure (MAP) sensor.
2. Disconnect the vacuum line from the MAP sensor.
3. Remove the MAP sensor mounting screws and remove the sensor from the vehicle.
4. Install the MAP sensor and screws.
5. Connect the vacuum line to the MAP sensor.
6. Connect the electrical connector to the MAP sensor.