Yes, it can be used in any gasoline and ethanol blend (E5, E10, E15, E85, etc.), and it provides the additional benefit of ethanol stabilization.
It cleans injectors and restores proper flow, which optimizes injector spray patterns and better atomizes fuel as it enters the combustion chamber.
No, it can be used with any type of injectors, including port injectors, and diesel injectors.
It is polyether amine, a powerful detergent proven most effective at removing coked deposits found on injectors in DIG engines.