How do I diagnose and fix a persistent rattling noise in my Audi 80's engine?

I have an Audi 80 that has been making a strange rattling noise whenever I accelerate. The noise seems to be coming from the engine area, and it's been happening for the past few weeks. What could be causing this and how can I fix it?

It sounds like your engine may be experiencing a timing chain issue. This could be caused by a loose timing chain tensioner or worn out timing chain guides. My suggestion would be to take your Audi to a certified mechanic to have it diagnosed and repaired by a professional.

Make sure to check your engine oil level and quality. Low oil levels or dirty oil can also cause rattling noises in the engine. If your oil is low, top it off with a high quality oil and see if the noise goes away. If not, it's best to have a mechanic take a look at it.