马自达3 11年的车 1.6标准配置 因为故障灯亮,去4S点检查说是三元催化坏了,想问问三元催化捣碎可以吗?

2025-04-07 21:23:20
推荐回答(1个)
回答1:

三元催化,是指将汽车尾气排出的CO、HC和NOx等有害气体通过氧化和还原作用转变为无害的二氧化碳、水和氮气的催化。主要是用三元催化器, 三元催化器的载体部件是一块多孔陶瓷材料,安装在特制的排气管当中。称它是载体,是因为它本身并不参加催化反应,而是在上面覆盖着一层铂、铑、钯等贵重金属。是安装在汽车排气系统中最重要的机外净化装置。

氧传感器:电喷车为获得高排气净化率,降低排气中一氧化碳、碳氢化合物和氮氧化合物成份,必须利用三元催化器。但为了能有效地使用三元催化器,必须精确地控制空燃比,使它始终接近理论空燃比。氧传感器具有一种特性,在理论空燃比(14.7:1)附近它输出的电压有突变。实际上氧传感器就是给检测废气中的有害气体并把数据传给电脑;让电脑来增加或者是降低混合气浓度;
捣掉后如果排放异常的时候会造成排放不达标;严重的会损坏氧传感器;希望能帮到你;

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