Our Three-Way Catalytic Cleaner Is Carefully Formulated From Dimethyl Ether And Ether. It Is Specifically Designed To Remove Carbon Deposits, Restore Engine Efficiency, Improve Combustion Activity, Increase Overall Power, And Enhance Fuel Economy And Vehicle Performance. The Usage Is Extremely Convenient: It Is Recommended To Add 1-2 Bottles Of The Catalytic Cleaner Per 30-60 Liters Of Gasoline Or Diesel Each Time You Refuel. One Basic Usage Cycle Is Suggested Every 6 Refuelings, With An Ideal Effect Cycle Being 12 Consecutive Uses, Which Can Continuously Improve Cleaning Performance. After The First Addition, Carbon Deposits May Fall Off, Causing Poor Oil Flow Or Slight Engine Shaking. This Is A Normal Reaction. Typically, The First 3-5 Filled Bottles Of Fuel Are Part Of The Process To Remove Carbon Deposits And Break Down Colloids. After This Stage Is Completed, Fuel-Saving Effects Will Become More Noticeable. Regular Use Can Effectively Clean The Fuel System And Three-Way Catalytic Converter, Reduce Carbon Deposits, Improve Combustion Efficiency, And Protect Engine Performance Over The Long Term. This Product Is Suitable For Both Gasoline And Diesel Vehicles And Can Be Used In Both New And Old Models. Additionally, It Can Effectively Purify Exhaust Gases And Reduce Harmful Emissions, Making Your Vehicle Cleaner.