How to troubleshoot low power issues in the Audi A6?

I have noticed that my Audi A6 is experiencing a decrease in power while driving. The acceleration is sluggish and the car seems to struggle on inclines. What could be causing this issue and how can I address it?

Have you checked the air filter? A dirty air filter can reduce engine performance and cause a decrease in power. I would recommend checking and replacing it if necessary.

Another common cause of low power in the Audi A6 is a faulty fuel pump. It's important to get this checked and replaced if needed, as it can lead to more serious issues if left unaddressed.