I've noticed that my Audi A3 has been having issues with the idle control valve. The engine has been idling rough and I've noticed a decrease in fuel efficiency. What could be causing this problem and how can I fix it?
ReplyThe idle control valve is responsible for regulating the idle speed of your engine. If it becomes dirty or clogged, it can cause issues with the engine's idle. I would recommend cleaning or replacing the idle control valve to see if that helps improve your engine's performance.
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