A Method and Apparatus for Controllilng the Flow of Gas from an Engine Crankcase to an Engine Intake Manifold

A method and apparatus for controlling the flow of gas through a passage (28, 60, 62, 64) between an engine crankcase (54) and an engine intake manifold (24) is provided. The method includes increasing the flow of gas through the passage (28, 60, 62, 64) when a temperature of the gas is below a predetermined temperature.