MULTIPLE CYLINDER INTERNAL COMBUSTION ENGINE MISFIRING CYLINDER IDENTIFYING APPARATUS AND MISFIRING CYLINDER IDENTIFYING METHOD

摘要

A misfiring cylinder identifying apparatus for a multiple cylinder internal combustion engine is provided with a determining portion that determines whether a plurality of cylinders is misfiring, and an identifying portion that identifies two cylinders among the plurality of cylinders in the order of the revolution speed fluctuation from largest as the misfiring cylinders when it is determined that the plurality of cylinders is misfiring.