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Home >> Buick >> 2001 >> LeSabre V6-3.8L VIN K >> 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 Sensor
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MAF Sensor

Scan tool range 0.0-512 gm/s. Mass air flow (MAF) is the MAF Input frequency converted to grams of air per second. This indicates the amount of air entering the engine.

Scan tool range 0-32000 Hz. The mass air flow sensor input signal to the PCM is a frequency which varies from around 3000 Hz at idle to above 7000 Hz at wide-open throttle. The PCM converts this frequency signal to grams per second to be displayed on the scan tool as MAF.
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