随着冬季的到来,天气渐渐变冷,很多车辆出现冷起动困难,起动着后发动机怠速抖动、加速不良的故障,但当发动机温度正常后,上述故障现象又消失了。遇到这种情况,故障原因一般都是发动机内部的积炭太多了! With the advent of winter, the weather is becoming colder and colder, and many vehicles have cold starting difficulties. After starting, engine idling jitters and accelerating bad faults. However, when the engine temperature is normal, the above symptoms disappear. Encounter this situation, the cause of the malfunction are generally too much coke inside the engine!