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Difference Between Engine Direct Injection and Electronic Injection

The difference between engine direct injection and electronic injection: Direct injection in the engine cylinder: The technology of direct injection of fuel into the cylinder and mixing with the intake air is to directly press the diesel into the cylinder of high temperature and high pressure, so that the diesel can spontaneously ignite and push the piston to move, thus achieving the working operation of the engine. Compared with the EFI engine, the direct injection engine consumes more fuel, the noise is loud, the combustion is insufficient, and the exhaust emission pollution is higher. Engine EFI: The diesel engine that uses electronically controlled fuel injection and emissions is an EFI diesel engine. According to the diesel engine status signal, the electric control calculates the injection quantity and injection timing required for each cylinder of the engine, and injects the diesel fuel into the cylinder for atomization through the injector under a certain pressure. ...