Why is the engine of my Audi A3 making a strange noise?

I recently purchased an Audi A3 and have noticed that the engine is making a strange noise. It almost sounds like a rattling or clicking noise. What could be causing this and how can I fix it?

It is possible that the noise could be coming from a loose or worn engine belt. I would recommend bringing your Audi A3 to a mechanic to have it checked and replaced if necessary.

Another common cause of engine noise in Audi A3s is low oil levels or dirty oil. I suggest checking your oil level and getting an oil change if needed.

If you have recently changed the oil and the noise persists, it could be a sign of a more serious issue with the engine. It is best to have it checked by a professional as soon as possible.