Tecflow 4-stroke Engine Cleaner Tecflow 4-stroke Engine Cleaner is a fuel system cleaner designed to quickly and effectively dissolve carbon and soot deposits throughout the entire fuel system. Contamination of your engine, particularly soot and carbon deposits, not only significantly reduces your engine's performance but can also lead to unpleasant and costly consequences such as high fuel consumption, clogged exhaust, catalytic converter failure, etc. Properties Due to the cleaning power of Tecflow 4-stroke cleaner, it has the following effects: • Removes carbon deposits • Prevents engine overheating • Restores compression • Restores lost power • Reduces carbon deposits in the exhaust • Improves combustion/ignition • Reduces fuel and oil consumption • Improves cold starting This is the best you can get for your car!