How to properly maintain a Ford Fiesta engine?

I have been having issues with my Ford Fiesta's engine, it seems to be slowing down and losing power. What are some tips for maintaining the engine and ensuring it works smoothly?

Regularly check and change your engine oil, as it is essential for keeping the engine running smoothly.

Make sure to also check and replace your air filter when needed, as a clogged filter can affect engine performance.

Don't forget to regularly inspect and replace spark plugs to keep your engine running efficiently.

Regular tune-ups and maintenance checks can also help prolong the life of your Ford Fiesta's engine.