1. Different nature: EFI vehicles are equipped with electronically controlled fuel injection systems. It is short for electronically controlled gasoline injection engine. The concrete pump truck is a machine that continuously transports concrete along the pipeline using pressure, and is composed of a pump body and a delivery pipe.
2. Different fuel injection quantity: the fuel injection quantity and fuel injection time of EFI engine are controlled by the trip computer, and the operation is stable. The large pump engine is mechanically operated, and the injection time control of the fuel injection meter is not very accurate.
3. The EFI is only made for emission standards and is not easy to repair. Large pump trucks are easy to maintain and cheap.