为了改善汽车的排放状况,达到环保检测的要求,通常在治理排气污染物超标车辆时,根据引起排气污染物超标原因的不同,需要更换火花塞和高压分缸线,清洗喷油器,清洗节气门,更换氧传感器,以及清洗或更换三元催化转化器等。尤其是采用清洗喷油器或清洗三元催化转化器,对改善汽车的排放状况比较显著,但在清洗时如果采用不正确的操作方式可能会造成车辆损伤。本文着重介绍清洗喷油器和三元催 In order to improve the emission status of vehicles and meet the requirements of environmental testing, it is usually necessary to replace spark plugs and high-pressure partial tank lines, clean the fuel injectors, and clean them according to the causes that cause the exhaust pollutants to exceed the standard. Throttle, oxygen sensor replacement, and cleaning or replacement of three-way catalytic converter. In particular, the use of cleaning the injector or cleaning the three-way catalytic converter improves the emission of the vehicle significantly, but if the cleaning is performed improperly, the vehicle may be damaged. This article focuses on cleaning the injector and three yuan reminder