I have noticed my Audi's fuel economy decreasing and the engine running rough. I suspect it could be an issue with the fuel pressure regulator. Can you explain what it does and how it could affect my car's performance?
ReplyThe fuel pressure regulator is a vital component in the fuel system of your Audi. It maintains a consistent pressure to ensure the fuel is properly distributed to the engine. A failing regulator can result in decreased fuel efficiency and poor engine performance. Make sure to have it checked and replaced if needed.
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