What is the difficulty in starting Iveco's diesel electric injection cold car with * * rail?

1, in the case of cold car, test the pressure of gasoline pump and pipeline pressure, focusing on the working condition of gasoline pump; 2. Maintain the fuel system systematically, focusing on cleaning up all kinds of carbon deposits and dirt in the system (nozzle, air intake system, throttle valve, combustion chamber, etc.). ), at the same time check the electronic aspects of the system, such as whether the cylinder line leaks electricity and the ignition ability of the spark plug. 3. Read and adjust the electronic data stream, focusing on idle speed, air flow, fuel injector pulse width and other data; 4. Check the cylinder pressure; 5. Check whether the battery does not store electricity or discharge (the generator generates electricity after starting, and the car is normal);