Why is the Ford Fiesta Check Engine Light On and How to Fix It?

I've noticed that the check engine light of my Ford Fiesta keeps turning on. What could be the root cause of this issue and how can I resolve it?

The check engine light can turn on due to various reasons such as a loose gas cap or a faulty sensor. It's best to get your car checked by a qualified mechanic to diagnose the specific issue.

I had a similar issue with my Ford Fiesta and it turned out to be a problem with the oxygen sensor. It's important to get the issue resolved quickly as ignoring it can lead to further damage and costly repairs.

I've heard that sometimes the check engine light can turn on due to a software glitch. If you're unsure about the cause, it's always best to consult a professional.