| 摘要 |
Device for diagnosing the operating state of an exhaust line of an internal combustion engine equipped with a particulate filter (10), comprising pressure measurement means (15), a central processing unit (12) provided with means for detecting stable operating points of the engine, means for evaluating a diagnostic parameter on the basis of the measured pressures, means for calculating the sliding average (Pn) of the pressure measurements obtained, and means for comparing the value of the calculated sliding average with a predetermined threshold value (S1). |
