Why is the Ford S-Max engine making a ticking noise?

I recently purchased a used Ford S-Max and I noticed that the engine is making a ticking noise. It's not particularly loud, but it's definitely noticeable. What could be causing this and should I be worried?

It could be a sign of low oil levels or dirty oil. Have you checked your oil recently? Make sure to keep up with regular oil changes to prevent any damage to your engine.

It could also be a problem with your spark plugs. If they are worn out or not properly gapped, it can cause a ticking noise in the engine. I would recommend getting them checked and replaced if necessary.