| 摘要 |
To start an engine quickly by replying an opening of a throttle valve. It is determined whether an engine speed at the moment of opening a throttle valve has inertia suited to restart an engine by a normal revolution priority speed. When the engine speed is higher than the normal revolution priority speed, an engine is restarted by immediately revolving a starter motor in a normal direction. When the engine speed is lower than the normal revolution priority speed, an engine is stopped completely, positioning a crankshaft to a restarting position, thereafter again the engi ne is restarted. In this case, when the engine speed is lowered to a certain degree, the engine is stopped rather in an early stage by braking the engine . The normal revolution priority speed is set depending upon a crank angl e.
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