Why does my Audi A3's engine light keep turning on?

I've noticed that the engine light in my Audi A3 turns on frequently, but I don't notice any difference in the car's performance. Is this something I should be concerned about? How can I fix it?

The engine light in your Audi A3 can turn on for a variety of reasons, ranging from minor issues such as a loose gas cap to more serious problems with the engine. It's important to have your car properly diagnosed and repaired by a certified mechanic to avoid potential damage or costly repairs in the future.

A common reason for the engine light to turn on in an Audi A3 is a malfunctioning oxygen sensor. These sensors are responsible for monitoring the level of oxygen in your car's exhaust and can affect the performance of your engine. It's best to have a professional diagnose and replace the sensor if needed.