Should I replace my Audi A2's spark plugs?

My Audi A2 seems to be running rough and I suspect it's because of worn out spark plugs. How often should I replace them and what are some signs of worn out spark plugs?

Yes, it is recommended to replace your spark plugs every 30,000-50,000 miles to ensure your engine runs smoothly and efficiently.

Some signs of worn out spark plugs include misfiring, poor fuel economy, and difficulty starting the engine. If you notice any of these symptoms, it's definitely time to replace your spark plugs.

I always replace my spark plugs every 30,000 miles as preventive maintenance. It's better to be safe than sorry and it can improve your car's performance and fuel efficiency.