I've noticed that whenever I start my Audi A1, the engine makes a loud clanking noise for a few seconds before it quiets down. What could be causing this and is it normal?
ReplyIt is possible that your engine is experiencing a phenomenon called 'valve tapping' which is caused by deposits building up on your car's valves. This can be remedied by using a fuel additive or having a mechanic clean the valves for you.
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