| 摘要 |
PURPOSE:To prevent deterioration of drivability from occurring regardless of sudden change in the intake air quantity, by defining the upper limit quantity of fuel injection according to the opening of a throttle valve. CONSTITUTION:An opening of the throttle valve of an internal-combustion engine M1 is detected by a throttle opening detecting means MA. The upper limit value of a quantity of fuel injection is determined depending upon the magnitude of an opening of the throttle valve obtained by the throttle opening detecting means MA. Owing to such a method, deterioration of drivability occurring due to sudden change in the intake air quantity can be prevented in the case of a control unit using a moving vane type intake air quantity sensor.
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