If you use low-quality gas without extra fuel additives and detergents, your fuel system and injectors will get dirty. Here’s how they work.

Question: When using fuel system cleaner, why is it recommended that the gas tank be almost empty and to run the tank almost empty before the next fill-up? — D.N., Tinley Park, Ill. Answer: I always ...

DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems PERFORM AND PROTECT: Fuel additive cleans injectors, ...

If you find yourself lost in the fuel additives aisle or just sticking to the same old thing, you are not alone. To make the right choice and get the most for your money, you need to understand how ...