Mass Airflow Sensor Replacement

Fig 1: Mass Airflow Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Open the hood. Disconnect the mass airflow wiring harness plug.
1	Mass Airflow Sensor Clamp CAUTION: Refer to Fastener Caution .
2	Air Cleaner Outlet Rear Duct Clamp
3	Mass Airflow Sensor TIP: After replacement of the mass air flow sensor, use a scan tool to perform the appropriate reset function. Refer to K20 Engine Control Module: Programming and Setup (LUZ) .