FIELD: engines and pumps.
SUBSTANCE: methods and system for controlling injection of water into the disconnected cylinders based on duration of engine operation in mode with one or several disconnected cylinders and the temperature of catalytic converter of exhaust gases are proposed. The invention enables to reduce saturation of catalytic converter with oxygen due to injection of water into disconnected cylinders, which expands and turns into steam, prevents air from getting into the disconnected cylinders and entering the catalytic converter.
EFFECT: reduction of necessity for regeneration of catalytic converter of exhaust gases after disconnection of cylinders, prevention of decrease of catalytic converter efficiency, improvement of fuel efficiency and reduction of toxicity.
18 cl, 8 dwg
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