| 摘要 |
The present invention relates to an exhaust performance diagnosis/control device of an engine, and relates specifically to a control device that diagnoses exhaust deterioration at the time of engine start or reduces exhaust gas at the time of start. HC discharged quantity at the time of engine start is diagnosed. The object of the present invention is to provide a means that detects efficiency of the engine,and a means that detects combustion stability of the engine, and to detect the HC discharged quantity until activation of a catalyst at the time of engine start based on efficiency of the engine and combustion stability of the engine. |
