| 摘要 |
PURPOSE: When an air excessive ratio by an engine load is changed from 1 to 0.9, an ignition time is retarded from 1 to 2 degree instead of advancing 2 degree. CONSTITUTION: A method for controlling knocking of engine comprises a step of receiving a throttle valve opening degree, an engine rpm, an intake air amount, and an oxygen amount when the engine is started to decide an engine load(S110). If the engine load is in the range of partial load area, the fuel injection and an ignition time are controlled by a predetermined map to return to an initial step(S160). If the engine load is in the range of total load area, the fuel injection and the ignition time are controlled by a predetermined map(S150).
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