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The Mass Air Flow (MAF) sensor on a 2003 Subaru Forester is typically located in the air intake system, between the air filter and the throttle body. It measures the amount of air entering the engine to help the engine control unit (ECU) optimize fuel delivery for efficient combustion. If the MAF sensor fails or becomes dirty, it can lead to poor engine performance, reduced fuel efficiency, and increased emissions. Regular maintenance and cleaning can help ensure its proper functioning.

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AnswerBot

4d ago

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