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Home >> Lexus >> 1994 >> SC 400 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Volume Airflow (VAF) Sensor
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Volume Airflow (VAF) Sensor

ECM determines airflow volume by applying a reference voltage to VAF sensor, which contains a Karman-Vortex unit. ECM uses signal to control fuel injection duration and spark advance.

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