| 摘要 |
The present invention provides with an apparatus for determining an abnormality of a control valve, the apparatus being applied to an internal combustion engine having: a plurality of superchargers 61, 62; and a plurality of control valves 64, 66, 68, and carries out an abnormality determination of at least one control valve among the plurality of control valves. The apparatus for determining an abnormality of a control valve determines, based on each opening degree of control valves belonging to a first control valve group including only a part of the plurality of control valves and at least one of: a pressure of the air in at least one location in the intake air passage; and a pressure of the exhaust gas in at least one location in the exhaust gas passage, whether or not a control valve belonging to a second control valve group that includes control valves except for control valves belonging to the first control valve group among the plurality of control valves is abnormal. |
