Volkswagen Volkswagen Atlas 2018-present Fuel System Specifications

The 2018-Present Volkswagen Atlas is compatible with regular unleaded gasoline (87 octane). Using higher octane fuel is not required but may improve performance slightly. The fuel tank capacity is 18.6 gallons. Always refer to the owner’s manual for specific fuel recommendations and avoid using diesel or ethanol blends above 10% (E10) unless specified.

The Volkswagen Atlas requires regular maintenance, including oil changes every 10,000 miles or 12 months, tire rotations every 10,000 miles, and brake inspections every 20,000 miles. The air filter should be replaced every 40,000 miles, and the cabin air filter every 20,000 miles. Follow the maintenance schedule in the owner’s manual for optimal performance and longevity.

To replace the fuel filter, first, locate it near the fuel tank. Disconnect the negative battery terminal for safety. Release 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 battery terminal. Always consult the service manual for detailed instructions.

If your Volkswagen Atlas has poor fuel efficiency, check for clogged air filters, improper tire pressure, or a malfunctioning oxygen sensor. Ensure you’re using the correct fuel type and avoid excessive idling. If issues persist, have the fuel injectors, spark plugs, and engine diagnostics checked by a certified technician.

To optimize fuel performance, maintain proper tire pressure, use high-quality fuel, and avoid aggressive driving. Regularly replace air and fuel filters, and ensure the engine is tuned correctly. Lighten the load by removing unnecessary weight and use cruise control on highways for consistent speed. These practices can improve fuel efficiency and overall performance.