1996 Ford Bronco Owner's Manual - Page 282

Using a high-quality fuel makes your vehicle more responsive and maintains its good fuel economy and emissions by: u protecting your fuel system from rusting. u preventing the fuel lines from freezing. u improving vehicle starting and warm-up. u protecting the fuel system from vapor lock in very hot weather, which causes the engine to hesitate or stall and makes restarts difficult. combustion chambers, and on intake valves. up" when your vehicle is not used for long periods of time. pinging. u minimizing deposits in fuel injectors, u preventing your fuel system from "gumming u preventing your engine from knocking and It should not be necessary to add any aftermarket products to your fuel tank if you continue to use a high-quality fuel. Gasolines for clean air Fuels in certain areas of the country are required to contain oxygenates to improve air quality. Common oxygenates are ethanol or grain alcohol (blended at no more than 10%), methanol or wood alcohol (blended at no more than 5% with cosolvents and additives), and MTBE or methyl tertiary butyl ether (blended at no more than 15%). Reformulated gasoline is also required in certain areas of the U.S. These fuels are designed to further reduce the emissions from your vehicle. 285