How to maintain the engine of a Ford Ranger for optimal performance?

I am a proud owner of a Ford Ranger and want to ensure that my engine stays in top shape. What steps should I take to maintain it?

Regularly check and change the engine oil and oil filter according to manufacturer's recommendations.

Keep an eye on the coolant levels and make sure to flush and replace it every two years.

Ensure that the air filter is clean and replace it if necessary to improve fuel efficiency.

Regularly inspect and replace worn out spark plugs to avoid misfires and decrease in power.