Engine starting for engine having adjustable valve operation

摘要

A method for controlling an engine including at least a first cylinder having a first piston and a second cylinder having a second piston, at least one of said first and second cylinders having at least an adjustable valve, the method comprising before engine rotation: closing electrically actuated valves in at least the first and the second cylinder; fueling at least said first cylinder with a first fuel amount based on a position of the first piston and said second cylinder with a second fuel amount based on a position of the second piston; performing a first spark in at least one of said first cylinder and said second cylinder; and applying a starter motor to assist engine starting rotation; after engine rotation, firing each cylinder of the engine in a sequential firing order without changing a number of strokes in any cylinder of the engine.