Is gasoline additive useful?

[OmarMarie]

Using gasoline additive is useful. The functions of gasoline additive are: 1. Remove carbon deposits and clean the fuel system; 2. Enhance power performance; 3. Improve atomization and increase thermal efficiency; 4. Prevent corrosion, rust, and lubricate to protect the engine; 5. Reduce noise, decrease wear, and extend engine life; 6. Eliminate black smoke and reduce emissions. The method of adding gasoline additive is: 1. Before adding gasoline additive, confirm the gasoline content in the tank, and add it when gasoline needs to be added; 2. Park the car next to the fuel dispenser and open the gasoline cap; 3. Open the cap of the gasoline additive bottle and pour it into the gasoline tank; 4. Fill up the tank to disperse the additive with the impact of gasoline and mix it with gasoline.