| 摘要 |
In a knock controller for a multiple cylinder internal combustion engine, a single knock sensor is mounted on the engine to produce an electrical output, and an electronic control module receives the output and controls the ignition timing for respective cylinders at optimum angle positions with a processing unit, in which the ignition timing is determined by identifying each cylinder of the engine, determining respectively beforehand a knock detection level for each of the cylinders, detecting knocking in accordance with the respective knock detection level, and controlling the ignition timing for each of the cylinders according to the knocking detected according to the respective knock detection levels preset for each cylinder of the engine.
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