GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
1999
🢒
Grand Prix
🢒
Engine
🢒
Engine Controls - 3.8L
🢒 Mass Airflow Sensor Replacement
The MAF sensor on this engine is attached to the throttle body assembly.
Removal Procedure
Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
Disconnect the MAF sensor electrical connector.
Remove the screws holding MAF sensor to throttle body.
Remove the MAF sensor from the throttle body.
Installation Procedure
Carefully position the MAF sensor to the throttle body.
Install the screws holding the MAF sensor to the throttle body.
Connect the MAF sensor electrical connector.
Reconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.