轿车三元催化器的故障检修与失效防护

Troubleshooting and failure protection of three-way carburetor

为控制汽车排放污染,现代汽车大多装有尾气净化装置。文章以广州本田2.4L轿车不能启动的故障为例,经分析、检测,最终找出故障原因是三元催化器损坏失效。并对三元催化器出现故障的原因、检修方法进行了分析探讨,对预防三元催化器早期失效提出了使用注意事项,希望对一线汽车维修人员和广大汽车使用者能有所借鉴。

In order to control automobile emission pollution,most modern cars are equipped with exhaust gas purifier.Thispaper takes the failure of the Honda2.4L sedan in guangzhou as an example,analyzes and tests,and finally finds out that thefault is due to the failure of the three-element catalyst.Three yuan catalysts and the cause of the malfunction and mainten-ance methods are analyzed,to prevent premature failure of the ternary catalysts using note,hope to a line of automotivemaintenance personnel and the general users can make reference.