| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technology accurately determining the abnormality of a particulate filter installed in an exhaust passage of an internal combustion engine. <P>SOLUTION: The abnormality of the filter is determined according to a variation in the temperature of the exhaust gas flowing out of the filter when the temperature of the exhaust gas is lowered without reducing the flow rate of the exhaust gas flowing into the filter. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
