... and 2, high-speed combustion 3, removing coke 4, protect the engine 5, gaining momentum 6, easy ... structure and properties of the cars, easy installation.4, To protect the engine5, 300,000 kilometers lifeThe ... fuel saver, the idling speed will increase.4, Observe speed meter, adjust the inside screw of the fuel ... speed to increase or decrease.3, Observe speed meter, adjust the inside screw of the saver to ...