To improve drivability at shift operation time by surely preventing rapid starting of a vehicle and increasing of a shift shock due to load increase at the shift operation time from range N to a range D.
A device comprises a throttle actuator 9 adjusting an opening 9 of a throttle valve 8, a transmission 13 transmitting a rotational output of an engine to a wheel side, a shift information detection means 14 detecting shift information SR of the transmission, an accelerator sensor 2 detecting accelerator operating amounts α1, α2, and a throttle control means 15A setting a control amount C of the throttle actuator based on at least shift information and the accelerator operating amount. The throttle control means includes a control amount suppression means 16 for suppressing a control amount over a prescribed time after at least shift operation when the shift information indicates shift operation from a range N to a range D.
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