Rough idle and frequent stalling could result from a plugged or stuck pcv valve or from a clogged pcv air filter . 怠速不稳和频繁熄火是由于PCV阀堵塞或者PCV滤清器堵塞而引起的。
Engine-idling problem can result from faulty or improper connection of a hose in the evaporative control system . 发动机的怠速故障可由蒸发控制系统的软管的故障或不正当连接造成。
Another cause of improper engine idling can be dirty or plugged air filter in the bottom of the charcoal canister . 发动机怠速不正常的另一个原因是活性炭罐底部的空气滤清器脏污或被堵塞。
Enough air-found mixture can seep around the throttle value and through the idle system to maintain the dieseling . 围绕在节气门处有足够的空气燃料混合气经怠速系统泄漏过来助长了熄不了火现象。
When the hood was up and the engine idling, crankcase vapors could often be seen escaping from the open breather cap . 当发动机盖打开并且发动机怠速运转时，我们常常可以看见从开式通气盖漏出的曲轴箱蒸气。
A fuel too volatile for the outside temperature, or a missing restrictor in the vapor line, will also cause improper engine idling . 就外界温度而言，燃油的挥发性过高，或蒸汽管路中的节流器有故障，也会使发动机的怠速不稳。
The lazy man frequently neglects his duties 那个懒惰的男人常常怠忽职守。
Isc - pw idle speed control pulse width drive 怠速控制脉冲马达宽度驱动
Open the mixture screw " l " a little and check the idle again 退低速油针" l "少许和再检查怠速。
Isc - dcm idle speed control direct current motor 怠速控制直流马达
