VPS Super Concentrated Fuel Injector Cleaner (679710) contains synthetic cleaners to remove deposits from intake valves, fuel injectors, ports and carburetors. Power and performance can be reduced if deposits are allowed to accumulate in these vital areas. VPS Super Concentrated Fuel Injector Cleaner removes power robbing deposits to help your engine run as it was designed to run. It smoothes out rough idle, improves acceleration and reduces harmful emissions. Safe for catalytic converters and oxygen sensors. Contains no alcohol. One 10 ounce bottle treats up to 20 gallons of gasoline. Can be used with all gasoline and gasohol. VPS Throttle Body Cleaner (VP072) Throttle body deposits can cause rough idle and hesitation as well as reduce fuel economy and increase emissions. Equipment coated with gum, varnish, carbon, or dirt becomes sticky and inefficient. Sticking PCV valves can cause excessive oil consumption. VPS Throttle Body Cleaner is a blend of carefully formulated solvents designed to maximize cleaning power and remove deposits away quickly. 6 Per Case.