When the automobile engine is not working normally, but the self-diagnosis system has no fault code output, it is necessary to rely on the inspection and judgment of the operator at this time. Only in this way can the nature of the fault and the location of the fault be determined, and then repaired.
The gasoline engine fuel supply system is mainly composed of oil pipes, fuel tanks, exhaust pipes, intake pipes, oil pressure pulse attenuators, cold start injectors, fuel injectors, fuel pressure regulators, air filters, fuel filters and fuel Composed of pumps, the fuel tank is responsible for storing fuel, the gasoline pump is responsible for pumping oil, the oil pipe is responsible for delivery, the gasoline filter is responsible for cleaning, and the fuel pressure regulator is responsible for constant oil pressure. This system belongs to the carburetor-type fuel supply system, and its main task is to configure the corresponding amount and concentration of flammable mixture to be supplied to the cylinder according to the requirements of the engine working conditions, and to make it ignite and burn near the end of compression. And the expansion works. However, because of the different fuel used, the supply method will also be different. In addition, the gasoline engine fuel supply system also discharges the exhaust gas generated by combustion from the cylinder to the atmosphere.
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