Why is my Vauxhall Astra's engine making a tapping noise?

I recently started noticing a tapping noise coming from the engine of my Vauxhall Astra. It seems to be more pronounced when accelerating. What could be causing this and how can I fix it?

The tapping noise could be an issue with the valves or valve lifters. It is important to have this checked by a mechanic as soon as possible, as it could lead to further damage if left unaddressed.

Another potential cause could be low oil levels. Check the oil level and top up if necessary. If the noise persists, it could indicate a larger problem and you should bring it to a mechanic's attention.

It could also be a problem with the timing chain. This is a more serious issue and should be addressed by a professional mechanic immediately.