Air Flow Meter/Sensor: Service and Repair

CAUTION: The Mass Air Flow (MAF) sensor is a calibrated unit. Service hot wire engine element and housing as a complete assembly. Do not damage the sensing element (internal to housing) or possible failure of the MAF sensor may occur.

REMOVAL

1. Disconnect battery ground cable.

2. Disconnect engine control sensor wiring from MAF sensor.

3. Loosen engine air cleaner tube clamps (90632) on air cleaner outlet tube (9B659) and engine air cleaner cover. Disconnect MAF sensor.

INSTALLATION

1. To install, reverse removal procedure.

2. Tighten engine air cleaner tube clamps to 1.4-2.5 Nm (12-22 in lb).

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.