Why is my Vauxhall Insignia's engine making a strange ticking noise?

I recently purchased a used Vauxhall Insignia and have noticed a strange ticking noise coming from the engine. It seems to only happen when the car is idling or at low speeds. Is this something I should be concerned about?

It's possible that this ticking noise is coming from your engine's valve lifter. This could mean that the lifter is worn out or has accumulated sludge and dirt, which can affect its performance.

I would recommend taking your car to a trusted mechanic to have it checked out. They will be able to diagnose the issue and provide a solution.

It's also possible that the noise is coming from a loose or worn belt, in which case it should be replaced. In any case, it's always best to have any unusual noises checked out by a professional.