| 摘要 |
The invention provides a throttle valve control apparatus of an internal combustion engine having at least a first cylinder group (B1) and a second cylinder group (B2). A first throttle valve (S1) is arranged in an intake passage (31) of the first cylinder group and a second throttle valve (S2) is arranged in an intake passage (32) of the second cylinder group. The throttle valve control apparatus includes a controller that, when there is a demand to switch a combustion air-fuel ratio of the internal combustion engine without changing engine output, first changes an opening amount of the first throttle valve, and then changes an opening amount of the second throttle valve.
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