How do I troubleshoot my Audi A2's engine misfire?

My Audi A2's engine is misfiring and I'm not sure why. What could be causing this and what steps can I take to troubleshoot and fix the issue?

First, check the spark plugs and ignition coils to make sure they are in good condition. A worn out spark plug or faulty ignition coil can cause misfires. If those are fine, then the issue could be with the fuel injector or fuel pump. It's best to have a mechanic take a look to accurately diagnose the problem.

One common cause of an engine misfire in an Audi A2 is a damaged or dirty mass air flow sensor. Cleaning or replacing this sensor can often solve the issue. It's also important to regularly change the air filter to prevent buildup on the sensor.

Low fuel pressure can also cause an engine misfire. Make sure to check the fuel pressure and replace the fuel filter if needed. Another potential issue could be a clogged fuel injector. Adding a fuel system cleaner to your next fill-up can help clear out any debris.