POSITIVE CRANKCASE VENTILATION (PCV) VALVE FUNCTION [L3]

BUE011613890N01

• Adjusts the amount of blowby gas conducted to the intake air system according to the intake manifold vacuum.

• Adjusts the air (including blowby gas) passing from the cylinder head cover to intake manifold during low load (when the intake manifold vacuum is high) to ensure an optimum air/fuel ratio.