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)

Or, hide this message: temporarily or permanently

Air Flow Meter/Sensor: Service and Repair

REMOVAL

1. Disconnect battery ground cable.

2. Disconnect engine control sensor wiring from Mass Airflow (MAF) sensor and Intake Air Temperature (IAT) sensor.

3. Loosen engine air cleaner tube clamps on air cleaner outlet tube and air cleaner cover. Disconnect air cleaner outlet tube from MAF sensor.

4. Remove MAF sensor from engine air tray and remove from vehicle.

INSTALLATION

1. Install MAF sensor on air tray.

2. Connect air cleaner outlet tube to MAF sensor. Align tab on mass airflow sensor with slot on engine air tray. Tighten engine air cleaner tube clamps to 2.3-3.2 Nm (20-28 in lb).

3. Connect engine control sensor wiring to MAF and IAT sensors.

4. Connect batttery ground cable.