Detection of electronic fuel system for EFI engine

 　　The working condition of the electronic fuel system of the EFI engine will affect the engine's power, economy and emissions. In order to ensure the good working condition of the system, a comprehensive test should be carried out regularly. The routine inspection should be carried out in every maintenance cycle, and the failure should be eliminated in time.

　　The working pressure of the electronic fuel system, the flow of fuel, the working state of the pressure regulating valve and the performance of the injector should be tested. Electronic fuel system failure, there will be a vehicle power shortage, poor acceleration, stable idling, acceleration of tempering, high fuel consumption, shaking breath, black smoke, three waycatalytic overheating, difficult to start or cannot start, high speed power shortage or high speed and other symptoms.