Hyundai Kona 2018-present Fuel System Specifications

The 2018-Present Hyundai KONA is compatible with regular unleaded gasoline (87 octane). For optimal performance, Hyundai recommends using top-tier detergent gasoline to maintain engine cleanliness and efficiency. The KONA is not compatible with diesel or E85 ethanol blends. Always refer to the owner's manual for specific fuel requirements and recommendations.

The Hyundai KONA requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 7,500 miles or 12 months, tire rotation every 7,500 miles, and air filter replacement every 15,000 miles. Additional services like brake inspections, coolant replacement, and spark plug checks should be performed as per the maintenance schedule in the owner's manual.

To replace the fuel filter, first, locate it near the fuel tank. Disconnect the negative battery terminal for safety. Relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls. Disconnect the fuel lines and remove the old filter. Install the new filter, reconnect the fuel lines, and secure the filter. Finally, reconnect the battery and start the engine to check for leaks.

If your KONA has poor fuel efficiency, check for common issues like dirty air filters, low tire pressure, or faulty oxygen sensors. Ensure you are using the correct fuel type and consider resetting the engine control module. If the issue persists, have a professional diagnose the vehicle for potential problems like fuel injector issues or engine misfires.

To optimize fuel performance, maintain proper tire pressure, use top-tier gasoline, and keep up with regular maintenance. Avoid aggressive driving habits like rapid acceleration and heavy braking. Use cruise control on highways to maintain consistent speed. Additionally, remove unnecessary weight from the vehicle and ensure the engine is tuned properly for maximum efficiency.