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Airflow Sensor

Mounted in air cleaner assembly, this sensor measures airflow rate. See Fig 1 . The ECU uses airflow sensor information to control fuel delivery and secondary air management. On Starion intercooled models, an atmospheric pressure pick-up nipple (leading to atmospheric pressure switching solenoid valve) has been added to air cleaner.

Fig 1: Air Cleaner & Airflow Sensor Assembly

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.