Chevron Fuel System Cleaner restores engine performance by removing harmful deposits from fuel injectors, intake valves, and combustion chambers. This concentrated formula dissolves carbon buildup that accumulates over time, improving fuel economy, reducing emissions, and enhancing throttle response. Suitable for all gasoline engines, it's an essential maintenance product that helps prevent costly repairs and keeps your vehicle running at peak efficiency. Use every 3,000 miles or as needed for optimal results.