How to fix a faulty engine in an Audi 80?

My Audi 80's engine has been acting up lately, with strange noises and reduced performance. What could be the cause and how do I fix it?

It is possible that your Audi 80's engine is experiencing issues due to lack of regular maintenance. It is important to regularly check and replace worn out parts, such as spark plugs and air filters, to ensure optimal engine performance.

Another common issue with Audi 80 engines is faulty fuel injectors. If left untreated, this can lead to engine failure. It is recommended to have a professional mechanic inspect and potentially replace the injectors if needed.