| 摘要 |
A cylinder-discriminating device for an internal combustion engine is provided. A reference timing signal is generated whenever the engine rotates through a predetermined rotational angle. A sparking voltage produced in a particular cylinder or a particular cylinder group in response to an ignition timing signal generated in synchronism with generation of the reference timing signal is detected. Cylinder discrimination is carried out to discriminate between cylinders or between cylinder groups, based on the sparking voltage detected. In another form, sparking voltages produced in respective cylinders or respective cylinder groups in response to an ignition timing signal generated in synchronism with generation of the reference timing signal are detected. Cylinder discrimination is carried out to discriminate between the cylinders or between the cylinder groups, based on the sparking voltages detected.
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