GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Montana - 4WD 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Mass Airflow Sensor Replacement

Removal Procedure

    Object Number: 15974 Size: SH
  1. Turn OFF the ignition.
  2. Disconnect the intake air temperature (IAT) sensor .
  3. Disconnect the mass air flow (MAF) sensor (1).
  4. Remove the air inlet duct from the MAF sensor and the throttle body.
  5. Remove the MAF sensor from the air filter housing.

Installation Procedure

    Object Number: 15974 Size: SH
  1. Install the MAF sensor to the air filter housing.
  2. Install the air inlet duct to the MAF sensor and throttle body.
  3. Connect the IAT sensor (1).
  4. Connect the MAF sensor.