MAF Mass Air Flow Sensor Meter for GMC Chevy Buick Cadillac AFH70M-78 AF-GM03. Interchange Part Number: 20787043, AFH70M-78, AFH70M78, 23262343, SU15248.
1x Mass Air Flow Sensor/Meter. About the MASS AIR FLOW (MAF) SENSOR.
Does a MAF Sensor do? The Mass Air Flow (MAF) sensor measures the amount of air flow entering the intake manifold using a heated grid or wire. The PCM uses this signal primarily for fuel control. The Mass Air Flow sensor is located in the intake ducting after the air filter. The replacement MASS AIR FLOW SENSOR(MAF): 1.Position MAF sensor in the vehicle. Make sure the airflow direction indicated on the sensor is toward the engine. Install sensor to air duct seal(s), if so equipped, on the replacement MAF sensor. Connect the MAF sensor to the throttle body air cleaner ducts. If the sensor mounts directly on the throttle body, install and tighten the mounting screws to 10 ft-lb. Position clamps over the air duct/MAF sensor connections and tighten. Replace the clamps if necessary.
NOTE: For the MAF sensor to work properly, the sensor/air duct connections must be airtight. CAREFULLY plug the harness connector lead into the MAF sensor. Air & Fuel Sensor Type. Mass Airflow Sensor (MAF Sensor). The note there will NOT be read.The images shown are not the actual item and are for your reference only. OR, you may choose to have a replacement.
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