闭环电喷车“三元催化器”堵塞是一个很普遍的问题,特别是道路拥堵的城市,燃油油质差的地区,这个问题更加突出。“三元催化器”堵塞不仅严重造成车辆油耗增加,动力下降,尾气超标,更严重的能让排气管烧红,造成车辆自燃。长期以来,汽修厂对于“三元催化器”堵塞没有有效的预防手段,也没有有 Closed-loop EFI car “three-way catalytic converter” plugging is a very common problem, especially in the road congestion in the city, poor fuel oil in the region, the problem is even more prominent. “Three-way catalytic converter” blockage not only caused by a serious increase in vehicle fuel consumption, power decline, excessive exhaust, the more serious exhaust pipe can be red, causing vehicles spontaneous combustion. For a long time, auto repair plant for the “three-way catalytic converter,” there is no effective means of prevention, there is no