| 摘要 |
PURPOSE:To improve cold start characteristic by performing fuel injection at a maximum portion of pulsating battery voltages, namely at a maximum portion of engine revolution when cranking. CONSTITUTION:A main body of the device is equipped with a solenoid type fuel injection valve A and an injection pulse output means B for driving a fuel injection valve A by issuing injection pulses synchronously with engine revolutions. Here, when the engine C is cranking as detected with a cranking detection means D, a crank angle position in which the pulsating engine revolution becomes maximum is detected with a maximum speed position detection means E. And an injection pulse output means B is actuated in the said crank angle position detected with an injection timing control device F for start so that the fuel injection valve A is made to output an injection pulse to perform fuel injection. Thus, inability of start is prevented by performing the fuel injection at the maximum portion of the pulsating battery voltage.
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