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What are the most common faults in the Audi A6 fuel system and how can I solve them?

I have noticed a decrease in the fuel efficiency of my Audi A6 and am experiencing some strange noises coming from the fuel tank. What could be causing these issues and what steps can I take to fix them?

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Answers (3)

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One common issue in the Audi A6 fuel system is a failing fuel pump. This can lead to a decrease in fuel efficiency and unusual noises from the tank. To fix this, it is recommended to have the fuel pump replaced by a certified mechanic.

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Another potential cause for these symptoms could be a clogged fuel filter. This can be easily fixed by having the fuel filter replaced. Make sure to use a high-quality fuel filter from a reputable brand.

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In some cases, the fuel injectors may be causing these issues. It is recommended to have them checked and cleaned by a professional to ensure they are functioning properly.

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