... Applicable to a variety of pump devices diesel vehicles.3, the five major functions:1, high-low speed ... 2 to remove coke 3, gaining momentum to 4, to improve the exhaust 5, lower fuel consumptionFour, six characteristics:1 ... %, and other fuel-efficient vehicles, the rate of 10% -20%3, to reduce emissions more than 60%4, does not ... protect the engine6, 300,000 kilometers life fuel saver saver for motor