How to fix the engine of my Vauxhall Insignia?

I have been having some engine trouble with my Vauxhall Insignia. The engine light keeps coming on and the car is not running as smoothly as it used to. What could be causing this issue and how can I fix it?

It is important to get your car checked by a professional mechanic as soon as possible. The engine light could be indicating a serious issue that needs to be addressed immediately.

One possible cause of this issue could be a malfunctioning oxygen sensor. This can affect the performance of your engine and cause the engine light to come on. It is best to get it replaced by a trained mechanic.

Another potential issue could be a clogged fuel filter. This can lead to a decrease in engine performance. It is recommended to have the fuel filter checked and replaced if necessary.