Because on the car the system irrevocably of fuel in a tank, the block of the fuel pump, except for the sensor of the index of level of fuel is used, is integrated. To prevent reduction of engine capacity because of an insufficient toplivosnabzheniye, for example, when the vehicle turns, the fuel pump was developed so that supply of fuel was a constant. The fuel remaining in the tank of the fuel pump moves from two sources: backpressure valve and ejector
(fig. 2.62, 2.63).