The reason why the car can't start after the flameout.

1, the battery is aging, the power storage capacity is poor when driving, and most of the electric energy cannot be stored and wasted; 2. Check whether the engine works normally, and use a multimeter to detect the voltage before and after starting; 3. Check whether the battery contact wire is in close contact with the positive and negative electrodes, and whether it is easy to pull out by gently rotating it; Or contact with too much scaling, just clean it up, someone poured it with hot water; 4. If it is an old vehicle, you should consider: prepare a spare battery. Some vehicles are equipped with anti-theft devices, especially firecrackers on holidays (or wedding days) will make the anti-theft devices ring all night, and even the best batteries will consume electricity; In addition, it may be because of the computer, so I suggest you go to the 4S shop to make a thorough investigation.