| 20100218598 | Misfire Judging Device of Internal Combustion Engine, Vehicle Mounted With It and Misfire Judging Method - When an operating state constituted of a rotation speed Ne and torque Te of an engine belongs in a resonance region in a post-stage including a damper connected to a crankshaft of the engine, a subtraction sine wave for removing an influence by resonance is calculated, and misfire is judged depending on whether or not a variation amount ΔF of a rotation speed F after processing, obtained by subtracting the calculated subtraction sine wave from a variation in 30-degree rotation speed N | 09-02-2010 |
