I recently noticed that my Audi A7's engine is making a knocking sound. I'm not sure what could be causing it, but I'm worried it could be a serious issue. Can anyone shed some light on this and suggest a solution?
ReplyThe knocking sound could potentially be caused by a number of issues, such as worn out bearings or a faulty valve. It's best to take your car to a certified mechanic to diagnose the problem and get it fixed.
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