1.现象一辆解放CA141载货车发动机工作正常，关闭点火开关后发动机仍然工作。起初认为是发动机积炭过多、温度过高造成的。后来发现：不论发动机运转时间多长，都同样难以熄火，甚至用挂挡、拉阻风门的方法都很难把火熄掉，只有靠扳开电源开关才能熄火。但电流表自关闭点火开关 1. Phenomenon A liberation CA141 truck engine is working properly, the engine is still working after turning off the ignition switch. At first thought is the engine too much coke, the temperature caused by high. Later found that: No matter how long the engine running time, are equally difficult to stall, and even use the gear, pull the throttle method are difficult to put out the fire, only by turning on the power switch to turn off. But the ammeter self-closing ignition switch