Apparatus and method of controlling automotive wheel traction an

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180197, 123336, B60K 3104, B60K 2816

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active

051053608

ABSTRACT:
A system and method for controlling engine output applicable to an automotive vehicle are disclosed in which when engine output control to reduce the engine output through a second throttle valve (additionally installed in an engine intake passage in series with a first throttle valve interlocked with an accelerator element) is ended, a returning speed of the second throttle valve toward its fully open position is made slower than that carried out during the engine output reduction control so as to suppress drive wheel slippage and a target opening angle of the second throttle valve by which the second throttle valve is returned to the open position is set to an opening angle of the first throttle valve to which an offset quantity is added to improve acceleration response immediately after engine output control has been carried out.

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