问我的汽车在过了首保后,总是感觉到怠速不稳定,而且松了油门后也不会下来,到车行去检查,也没有解决,请问这是什么问题?答节气门轴部因出现积炭造成卡滞,导致节气门不能完全回位到厂家设定的初始位置,节气门的开启角度变大就会导致怠速升高的现象。还有可能是怠速马达出现积炭,导致马达出现卡滞的现象,也会出现怠速升高的现象。再有一种可能就是发动机ECU出现问题导致的。 Ask my car after the first Paul, I always feel the instability idle, and loose the throttle will not come down to the car to check, there is no solution, may I ask what is the problem? A throttle shaft As a result of coke deposition caused by stagnation, resulting in the throttle can not be fully returned to the manufacturers set the initial position, throttle opening angle will lead to higher idling phenomenon. There may be idling motor coke, resulting in the phenomenon of stagnation in the motor, there will be idling phenomenon. A further possibility is that there is a problem with the engine ECU.