Why is my Vauxhall Astra engine light coming on?

My Vauxhall Astra's engine light has recently started coming on. What could be causing this? Is it a major issue?

There are a few potential reasons why your engine light might be coming on in your Vauxhall Astra. It could be something as simple as needing to replace your gas cap or a more complex issue like a faulty oxygen sensor.

In any case, it's important to get your Vauxhall Astra checked by a mechanic as soon as possible. Ignoring the engine light could lead to costly repairs down the road.