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Home >> Chevrolet >> 2000 >> Astro Van L AWD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> MAF Frequency
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MAF Frequency

RANGE (FREQUENCY IN Hertz): The MAF produces a frequency as it measures airflow entering the engine. The VCM detects this frequency on the signal circuit and converts it into a grams per second (g/s) of airflow scale. This raw frequency can be displayed by the scan tool as it is detected by the VCM.
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