How to diagnose and fix engine misfires in an Audi A4?

My Audi A4 is experiencing engine misfires, and I'm not sure what the cause could be. I've noticed a loss of power and a rough idle. How can I diagnose and fix this issue myself?

First, start by checking for any stored error codes in the car's diagnostic system. This can provide insight into what may be causing the misfires. Also, check for any loose or damaged wires or connections. Ignition system components such as spark plugs and ignition coils are common culprits for engine misfires - consider replacing them if necessary. It's always a good idea to have a qualified mechanic perform a tune-up if you're unsure of what the problem could be.

Another potential cause of engine misfires in an Audi A4 could be a faulty fuel injector. Consider getting the fuel injectors cleaned or replaced if they are clogged or malfunctioning. Additionally, make sure to regularly service and maintain your car's air filter, as a dirty one can also cause engine misfires. If none of these solutions work, it's best to bring your car to a professional mechanic for further diagnosis.