Mass Airflow Sensor Replacement for Pontiac Grand Prix 1999

The MAF sensor on this engine is attached to the throttle body assembly.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Disconnect the MAF sensor electrical connector.



3. Remove the screws holding MAF sensor to throttle body.
4. Remove the MAF sensor from the throttle body.

1. Carefully position the MAF sensor to the throttle body.
2. Install the screws holding the MAF sensor to the throttle body.
3. Connect the MAF sensor electrical connector.
4. Reconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.