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Home >> Volkswagen >> 1989 >> Jetta GL, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Airflow Sensor Potentiometer
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Airflow Sensor Potentiometer

Airflow sensor potentiometer is connected to the air sensor plate actuating lever. It returns a voltage signal to the ECU based on position of the throttle valve. The ECU uses this signal to fine tune mixture adjustment.