What is the best way to maintain the efficiency of a Nissan Patrol's engine?

I have been noticing some decrease in my Nissan Patrol's engine performance lately. What are some tips for maintaining its efficiency and prolonging its lifespan?

Regularly changing the engine oil and keeping it clean can greatly improve the efficiency of your Nissan Patrol's engine.

Regularly check and replace the air filters as they can become clogged over time and affect the engine's performance.

Properly inflate your tires to the recommended pressure to ensure optimal fuel efficiency and prevent excessive strain on the engine.