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

Removal
1. Disconnect negative cable at battery.
2. Disconnect connector from manifold differential pressure sensor.
3. Remove manifold differential pressure sensor from intake manifold.

Installation
1. Confirm that vacuum passage on intake manifold is free from clog.
2. Apply engine oil to O-ring of sensor.
3. Install sensor to intake manifold.
4. Connect connector to sensor securely.