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mass airflow sensor

  1. Mass Airflow Sensor - Clean or Replace?

    1.8 Liter Turbo
    I just took my 2001 Beetle to the dealership to diagnose my check engine light. (there were too many codes to figure it out myself) Anyway, they told me to replace the MAS. I'm trying to figure out if there's a quick/easy way to tell if the MAS is gone or just really dirty. Any advice?
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