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Home >> Geo >> 1990 >> Prizm Base, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Mass Airflow (MAF) Sensor (Prizm GSi 4A-GE)

Mass Airflow (MAF) Sensor (Prizm GSi 4A-GE)

Airflow sensor measures air entering the engine and produces an appropriate output signal proportional. The ECM uses this information for fuel injector control.