1, injection timing and fuel metering are completely separate, injection pressure and injection process by ECU timely control.

2, according to the working condition of the engine to adjust the injection pressure of each cylinder, injection starting point, duration, so as to pursue the control point of injection.

3, can achieve high injection pressure, and can achieve diesel pre injection.

Compared with gasoline engine, diesel engine has a lower fuel consumption rate (30% lower than gasoline engine on average), and the diesel price is lower, so fuel economy is better; At the same time, the speed of the diesel engine is generally lower than that of the gasoline engine, the torque is larger than that of the gasoline engine, but its mass, the noise of the work, the cost of manufacturing and maintenance is high, and the emission is worse than that of the gasoline engine. But with the development of modern technology, these shortcomings of diesel engine are gradually being overcome.