The fuel injector is a precision device with very high processing accuracy, which requires a large dynamic flow range, strong anti-clogging and anti-pollution capabilities, and good atomization performance. You can use the LED test light to connect the LED test light to the two sockets of the injector plug and turn on the ignition switch. 　　
   (1) Start the engine, if the LED light is still off, it means that the C pole and E pole of the transistor are open. 　
　(2) When starting the engine, the LED light will flash, indicating that the sensor and computer are not good 　
　(3) If the LED light is always on, it indicates that the C pole and E of the transistor are extremely short.
    The above editor introduces you to the detection method of the injector control circuit, I hope it can be helpful to you, if you have any questions, you can call our company or visit our company, we will serve you wholeheartedly