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Mass Airflow Sensor

June 19th, 2016 by

MASS AIRFLOW SENSOR When you experience vehicle symptoms such as: Engine hesitation Stalling Jerking upon acceleration Poor fuel economy Compromised performance the problem may be a contaminated mass airflow sensor. This instrument measures the volume of air entering the engine. This information is needed by the Engine Control Unit (ECU).  It calculates how much fuel should be delivered to each cylinder