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What are the common causes of reduced engine power in an Audi A4?

I've noticed that my Audi A4 has been experiencing reduced engine power lately. It has a 2.0L TFSI engine and I'm wondering what could be causing this issue. Any insights would be greatly appreciated!

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One common cause of reduced engine power in an Audi A4 is a faulty or dirty mass air flow (MAF) sensor. This sensor commonly gets clogged with dirt and debris, causing incorrect readings which can lead to poor engine performance.

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