汽车催化转化器劣化因素分析及故障诊断

Analysis on Deterioration Factor of Car Catalytic Converter and Its Trouble Diagnosis

随着我国汽车排放法规的不断加严,催化转化器被广泛应用。由于催化转化器在我国应用的时间较短,故有关它的正确使用方法、故障诊断资料及经验较缺乏。为此,分析研究了催化转化器劣化机理,总结正确使用方法和故障诊断经验,旨在通过提高对发动机使用、保养和维护的水平,充分发挥催化器的作用,达到真正减少废气排放的目的。

The paper makes brief introduction to the structure of automotive catalytic converter; The mechanism of automotive catalytic converter deterioration are analyzed;The paper introduces the method of three way catalyst trouble diagnosis,and points to be attended to during using.