【摘要】 根据欧3/欧4排放法规的要求,对捷达/宝来轿车装备的1.6L2VRSH型发动机冷起动/暖机工况排放进行了优化。通过采取合理选择催化转换器、空燃比标定优化、调整点火提前角、加装二次空气系统等措施,可使1.6L2VRSH型发动机分别满足欧3、欧4排放标准。更多还原

【Abstract】 According to the requirements of Euro3 and Euro4 emission regulation,optimize the emission of cold start/warm-up work condition of 1.6L2VRSH engines that are equipped with Jetta and Bora passenger cars.Through some methods such as selecting catalytic converter appropriately,nominal optimization of air-fuel ratio,adjusting the advance angle of ignition,adding 2nd air system etc,and make 1.6L2VRSH engine meet the requirements of Euro3 and Euro4 emission regulations.更多还原