What is the cause of reduced performance in my Audi A5 engine?

My Audi A5 has been experiencing a decrease in performance lately. What could be the possible reasons for this and how can I address it?

There could be several reasons for reduced performance in your Audi A5 engine, including clogged air filters, faulty spark plugs, or low fuel pressure. To address this issue, it is recommended to have a thorough inspection of these components to determine the cause and replace or repair as needed.

One possible reason for your Audi A5's engine performance issues could be a problem with the fuel injectors. These are responsible for delivering the precise amount of fuel to the engine for optimal performance. It is recommended to have them checked and replaced if necessary.