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Content Category MAS - Mass Air Sensor


MAS - Mass Air Sensor
What it does / How to test
on 15 Nov 2007 by admin author list
Automotive mass airflow sensors A mass airflow sensor is used to determine the mass of air entering an electronically fuel-injected engine. The air mass information is necessary for the engine control unit to calculate and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density [read more]