Mass Airflow Sensor: Installation

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, 2003 Buick Regal, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Install the MAF sensor to the air cleaner intake duct. Install the air cleaner intake duct to the air cleaner housing and the throttle body. Tighten the clamps to specification. See TORQUE SPECIFICATIONS . Connect the MAF sensor electrical connector. Connect the IAT sensor electrical connector. Start and idle the engine. Inspect the air cleaner intake duct for leaks.

Install the MAF sensor to the air filter housing. Install the air inlet duct to the MAF sensor and the throttle body. Connect the IAT sensor electrical connector. Connect the MAF sensor electrical connector. Start and idle the engine. Inspect the air intake duct for leaks.

Fig 1: Locating MAF Sensor (3.4L)

Courtesy of GENERAL MOTORS CORP.

Install the MAF sensor. Install the MAF sensor screws. Tighten the screws to specification. See TORQUE SPECIFICATIONS . Connect the MAF sensor electrical connector. Install the fuel injector sight shield.

Fig 1: Locating IAC Valve, MAF Sensor & TP Sensor (3.8L)

Courtesy of GENERAL MOTORS CORP.