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Home >> Chevrolet >> 2000 >> Tracker 4D Utility, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Mass Airflow Sensor
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Mass Airflow Sensor

The Mass Airflow (MAF) sensor is located in air duct between air cleaner and throttle body. MAF sensor consists of a thermal resistor, metering duct and control circuit. Sensor uses thermal resistor to detect amount of air drawn into engine and sends information to PCM as a current signal. PCM uses this signal to control fuel injectors.

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