Mass Airflow Sensor Replacement. Buick GL7 (Export) 2000

For 1990-2009 cars

### Removal Procedure

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
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

1. Carefully install the MAF sensor to the air filter housing.
2. Install the MAF sensor (1) to the air inlet duct.
3. Connect the electrical connector.
4. Connect the negative battery cable.