What can cause a 'Check Engine' light to appear on my Vauxhall Grandland?

I've noticed that the 'Check Engine' light has appeared on my Vauxhall Grandland dashboard. I'm not experiencing any other issues with the car. What could be causing this warning and what should I do?

The 'Check Engine' light can appear for a variety of reasons, ranging from minor issues to potential engine problems. It's important to have the car checked by a qualified mechanic as soon as possible.

One common cause of the 'Check Engine' light is a loose gas cap. Make sure the gas cap is tightly secured and the light should turn off after a few driving cycles. If it doesn't, then it's best to have it checked.

Another possible cause is a faulty oxygen sensor. This can affect your car's fuel economy and cause further damage if left unchecked. It's best to have this issue diagnosed and repaired soon to avoid any further problems.

In some cases, the 'Check Engine' light can be triggered by a simple issue such as a loose or damaged hose. This can be an easy fix, but it's still important to have it properly looked at by a mechanic.