| 摘要 |
PURPOSE:To allow quick acceleration of an engine by augmenting fuel in response to the length of the fuel feed stop time at fuel resumption when fuel feed is again started from the deceleration operation when fuel feed is stopped. CONSTITUTION:During the engine operation, whether the operation condition of an engine 1 is in a fuel cut region or not is first judged by a control unit 5 based on the engine rotating speed and throttle opening. If the judgment is Yes, the fuel injection quantity from an injector 3 is set to zero to stop fuel feed. In this case, the fuel cut period is measured. When it is subsequently judged that the fuel resumption condition is resumed, the asynchronous fuel injection quantity is calculated based on the engine rotating speed after the fuel cut is started so as to be augmented in response to the length of this measured fuel cut period, and the injector 3 is driven and controlled according to its calculation result.
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