1. The gas is stored in the guide rail through the nozzle to the engine intake pipe.

2. Computer controlled nozzle spray. 3 or 4 nozzles are mounted on the guide rail to suit different models.

3. The temperature and pressure of the gas entering the guide rail can be monitored, the maximum operating pressure is 300Kpa, high-frequency solenoid valve, 7,500 times per minute.

4. The nozzle rail electromagnetic coil is energized when the suction, the needle valve is sucked up, open the nozzle hole, gas through the needle valve head of the needle needle and the annular gap between the nozzle hole spray at high speed, forming a fog, conducive to full combustion, its main function is the fuel from the pressure reducer injection to each cylinder.

1. Coil burned out: the solenoid valve does not produce oil after power-on, the coil appearance is abnormal, and the coil built-in mandrel has no electromagnetic suction. The solution is to replace the electromagnetic coil;

2. Solenoid valve stuck: the valve sleeve of the solenoid valve has a small clearance with the spool (less than 0.008mm), which is generally a single piece assembly, and it is easy to get stuck when there are mechanical impurities or too little lubricating oil.

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