Mass Airflow Sensor with Intake Air Temperature Sensor Replacement for Pontiac G3 2009

Warning: Refer to Battery Disconnect Warning in the Preface section.




1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Disconnect the mass airflow sensor connector (1).
3. Loosen the two clamps (2).
4. Remove the mass airflow sensor.

Note: Ensure the mass airflow sensor is installed correctly. The arrow indicates direction of airflow and the tabs of the hoses and notches (3) of the sensor must be aligned as illustrated. Failure to do so may cause drivability concerns and DTC's.

1. Install the mass airflow sensor.
2. Tighten the clamps (2).
3. Connect the mass airflow sensor connector (1).
4. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.