| 摘要 |
A method comprising correcting the air/fuel ratio of a mixture being supplied to an internal combustion engine, by the use of a correction coefficient determined as a function of detected values of atmospheric absolute pressure and intake pipe absolute pressure. A device is also provided, which includes means for arithmetically calculating the correction coefficient as a function of outputs of sensors for sensing the two kinds of absolute pressure or means storing predetermined values of the correction coefficient for selective reading as a function of the sensor outputs, and means for correcting the valve opening period of a fuel injection valve by the calculated or read coefficient value.
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