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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Air Flow Meter/Sensor: Service and Repair

REMOVAL and INSTALLATION
1. Disconnect the battery ground cable.

Mass Airflow Sensor:





2. Disconnect the Mass Airflow (MAF) sensor electrical connector.

Intake Air Temperature Sensor:





3. Disconnect the Intake Air Temperature (IAT) sensor electrical connector.

Vent Solenoid:





4. Disconnect the Exhaust Gas Recirculation vent (EGRV) solenoid vacuum hose.

Tube:





5. Loosen the clamp securing the air cleaner to intake manifold tube onto the MAF sensor.
6. Disconnect the air cleaner to intake manifold tube at the MAF sensor.
7. To install, reverse the removal procedure.