汽车发动机怠速不良问题的原因分析

摘要

汽车在使用过程中不可避免要发生各种故障，而怠速不良正是电子控制汽油喷射发动机最常见的故障之一，包括怠速不稳、怠速熄火、冷车怠速不良、热车怠速不良等。本文主要探讨怠速不良的原因及相关的故障分析。%Car in the use process is inevitable to occur all kinds of faults, and idling bad is one of the most common faults of the engine electronic control gasoline injection, including idle instability, idling flameout, cold car idling bad, hot cars idling bad etc.. This paper mainly discusses the reasons of poor idle speed and related fault analysis.