Air Flow Meter/Sensor: Service and Repair

CAUTION: The Mass Air Flow sensor (MAF sensor) is a calibrated unit. Service hot wire sensing element and housing as a complete assembly.

REMOVAL
1. Disconnect battery ground cable.
2. Loosen engine air cleaner tube clamp at mass air flow sensor and remove air cleaner outlet tube from mass air flow sensor.
3. Disconnect electrical connector from mass air flow sensor.
4. Remove four retaining nuts.
5. Remove mass air flow sensor and discard mass air flow sensor mounting gasket.

INSTALLATION
1. Clean sealing surfaces of engine Air Cleaner (ACL) and mass air flow sensor.
2. Position new mass air flow sensor mounting gasket and align new mass air flow sensor to studs of air cleaner cover.
3. Install four retaining nuts. Tighten to 8-12 Nm (71-106 lb in).
4. Install air cleaner outlet tube to mass air flow sensor. Tighten engine air cleaner tube clamp to 3-5 Nm (27-44 lb in).
5. Connect electrical connector to mass air flow sensor.
6. Reconnect battery ground cable.
7. Start engine and check for vacuum leaks and correct operation of mass air flow sensor.