Why does my Audi A3's engine make a strange noise?

Recently, I've noticed that my Audi A3's engine has been making a weird rattling noise. I'm not sure what could be causing it. Any ideas?

It's possible that there could be an issue with your engine's timing chain. This can cause a strange noise and potentially lead to more serious problems. I would suggest bringing your car to a mechanic to have it checked out.

It could also be a problem with your exhaust system. A loose or damaged exhaust component can create a rattling noise. Make sure to have your exhaust system inspected by a professional.