Fuel System Cleaner is used for cleaning gasoline injection systems and reducing requirements to the octane number. Properties: It keeps the injection system clean. It reduces the requirements to the octane number. It prevents formation of deposits on the nozzles and valves. It lubricates the nozzles, inlet valves, fuel system and upper part of cylinders. It protects from corrosion. It improves engine cold start. Application: For all gasoline engines with injected or carbureted fuel system. Instructions: Add in in the fuel tank (1 bottle for 40 - 60 liters of fuel), preferably prior to fueling. Usual dosage is 1 bottle in each 2 000 km. In case of very dirty valves and nozzles, at high loads and operation in the intensive city traffic, add 1 bottle during each fueling. Wynn’s Fuel System Cleaner for gasoline injection systems is suitable for leaded and unleaded gasoline. It does not damage catalysts.