Method of controlling operating amounts of operation control means for

Abstract

A method of controlling an operating amount of an operation control means for controlling an internal combustion engine. The operating amount is controlled in a first arithmetic manner determined on the basis of a first operating parameter of the engine during operation in a predetermined operating condition, while it is controlled in a second arithmetic manner determined on the basis of a second operating parameter of the engine during operation in a condition other than the predetermined operating condition. A first correction value appropriate to the first arithmetic manner and a second correction value appropriate to the second arithmetic manner are determined as a function of intake air pressure upstream of intake air quantity control means for adjusting the opening area of the intake passage, preferably atmospheric pressure, respectively, during engine operation in the above predetermined operating condition, and during engine operation in another operating condition. Preferably, the first operating parameter of the engine is the opening area of the intake passage, while the second operating parameter is pressure in the intake passage at a location downstream of the intake air quantity control means. The operation control means may comprise a fuel supply quantity control means, and the first correction value is set so that the operating amount corrected by the same correction value decreases with a decrease in the atmospheric pressure, whereas the second correction value is set so that the operating amount corrected by the same correction value increases with a decrease in the atmospheric pressure.