How can I troubleshoot an engine misfire in my Audi 80?

I have been experiencing intermittent misfires in my Audi 80's engine. How can I diagnose and fix the issue?

First, check the spark plugs and ignition coils. These are common causes of engine misfires. If they look worn or damaged, it may be time to replace them. Also, make sure to use the correct type of spark plugs for your Audi 80 model.

Another potential cause of engine misfires in the Audi 80 is a faulty fuel injector. If you notice a decrease in engine performance or gas mileage, it may be worth checking and possibly replacing the fuel injector.

A dirty or clogged air filter can also contribute to engine misfires. Make sure to regularly change your Audi 80's air filter according to the manufacturer's recommendations to maintain optimal engine performance.