How to maintain the performance of my Ford Fiesta engine?

I've noticed a decrease in my Ford Fiesta's fuel efficiency and acceleration. What steps can I take to maintain the performance of my Ford Fiesta's engine?

Regularly change your engine oil and air filter to ensure proper functioning and fuel efficiency. Additionally, consider using a fuel system cleaner to remove any build-up in your engine.

Properly inspect and maintain your spark plugs and spark plug wires to ensure your engine is running at its best. These components play a crucial role in the performance of your engine.

Check your tire pressure regularly as under-inflated tires can cause a decrease in fuel efficiency and acceleration. Consider investing in a tire pressure gauge and keeping it in your car for easy access.