What should I do if my Audi A1's engine is making a knocking noise?

I recently noticed that my Audi A1's engine is making a knocking noise, especially when I accelerate. What could be causing this and how can I fix it?

The knocking noise could be caused by multiple issues such as low oil level, worn out spark plugs, or a faulty belt tensioner. It's best to have a mechanic inspect your engine to accurately diagnose and fix the problem.

I had a similar issue with my Audi A1 and it turned out to be a problem with the fuel injectors. I recommend taking your car to a trusted mechanic and getting the injectors cleaned or replaced if necessary.

One common cause of engine knocking is using low quality or incorrect fuel. Make sure you are using the right type of fuel for your Audi A1 and try using a higher grade fuel to see if it resolves the issue.