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Q: oxygen sensor / mass air flow sensor on 1997 Mercedes-Benz E320

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
are these the same? I was told I needed a new mass air flow sensor after my check engine light came on.
(1) Answer
Mass airflow sensors and oxygen sensors are not the same component. A failed mass airflow sensor can definitely cause a check engine light, and they are not an uncommon problem on most cars.