Why does my Vauxhall Corsa's engine make a ticking noise?

My Vauxhall Corsa's engine has been making a ticking noise for the past week. It only happens when I start the car up in the morning. What could be causing this and how can I fix it?

It's possible that the ticking noise is coming from the valve lifters. This could be due to lack of lubrication or build-up of debris. You should have your valve lifters checked and cleaned to prevent further damage to your engine.

Another possible cause for the ticking noise could be a loose or worn out timing chain. This can also be damaging to your engine if not fixed promptly. Have your timing chain inspected and replaced if necessary.

It's a good idea to check the oil level in your engine. A low oil level can cause excessive friction and lead to engine noise. Make sure to also use the correct grade of oil for your Vauxhall Corsa.