| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely identify a defect, in a method of supplying a reducing agent to exhaust gas for exhaust gas after-treatment, in a method for monitoring an exhaust gas after-treatment system. <P>SOLUTION: In the method, when an amount of the reducer to be supplied is changed and a signal of a sensor located to an exhaust gas system is not changed as desired, existence of a defect is determined. <P>COPYRIGHT: (C)2004,JPO</p> |
