I have noticed that my Audi A2's engine makes a ticking sound when it is idling. It seems to disappear when I start driving. What could be causing this issue?
ReplyThe ticking sound you hear could be caused by a faulty valve lifter. It is responsible for opening and closing the valves in the engine and if it is damaged, it can create a ticking noise. It is best to have it checked and replaced by a mechanic.
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