| 摘要 |
PURPOSE:To prevent a stall by making the reduction rate in a speed change stage when deceleration large and by performing fuel supply reopening at the relatively high rotational frequency of an engine with decreased fuel supply when the speed change stage of a speed changer is low. CONSTITUTION:When a throttle valve 24 is entirely closed, and the rotational frequency of an engine is more than a prescribed value, the supply of fuel stops, and when the throttle valve 24 is opened or the revolutional frequency becomes that less than a prescribed value, the supply of fuel is reopened. And, the supply of fuel is set high compared with that in a high speed stage when an engine is in a low speed stage according to the speed change stage of an reopened speed changer, and when the fuel jetting quantity at the time of the reopening of fuel supply is in a low speed stage, the supply is corrected by reducing the supply quantity, and when in a high speed stage, corrected by increasing the quantity. In this way, the generated torque of the engine at the time of the reopening of the fuel supply can be suppressed, and the generation of a large shock due to a torque variation avoided. Further, even if the revolutional frequency of the engine when the engine returns from fuel cut to the original situation is set relatively low, the engine 1 will not be stalled. |
