What could be causing my Audi 80's check engine light to turn on?

I've noticed that my Audi 80's check engine light has been turning on intermittently. What could be causing this issue and how can I address it?

There are a few potential reasons for your check engine light to turn on in your Audi 80. It could be due to a faulty oxygen sensor, a loose gas cap, or even a misfiring engine. It's best to bring your car to a mechanic to diagnose the exact cause.

Make sure to not ignore this issue, as it could lead to more serious problems down the road. It's better to address it sooner rather than later.

In the meantime, you can also try checking your gas cap and ensuring it is properly tightened. A loose gas cap can sometimes trigger the check engine light.