| 摘要 |
PROBLEM TO BE SOLVED: To appropriately control an engine at the time of high load operation by controlling it so as to carry out a fuel amount increase control as an open control area by reducing and changing a feed-back control area by a control means in the case where it is judged that an engine operation state other than an engine rotation and a suction pipe negative pressure is at a high load operation. SOLUTION: An air/fuel ratio detection means for detecting an air/fuel ratio of engine is provided. A map comprising an engine rotation and a suction pipe negative pressure is previously set. A feed-back control area for feedback- controlling a fuel injection amount from a fuel injection valve corresponding to a detection signal from the air/fuel ration detection means and an open control area for carrying out a fuel amount increase control at the time of high load operation are provided on the map. In the case where it is judged that the engine operation state other than an engine rotation and a suction pipe negative pressure is at a high load operation, a control means for controlling an engine so as to carry out a fuel amount increase control as the open control area by reducing and changing the feed-back control area is provided.
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