Why did the Huanglong 600 cold car turn off after three seconds of ignition?

The reason why the Huanglong 600 cold car turned off after three seconds of ignition may be that there is something wrong with the throttle, such as a blocked throttle. Throttle carbon deposition, etc. It is also possible that there is something wrong with the ignition coil or spark plug, such as the life of the spark plug reaching the limit. Excessive spark plug clearance and so on. Or there is something wrong with the nozzle, such as the nozzle is blocked. Problems in any part of fuel system, ignition system and air intake system will lead to this phenomenon.