TIBURON(GK) >2006 > G 2.7 DOHC > Emission Control System > Crankcase Emission Control System > Positive Crankcase Ventilation (PCV) Valve>Description and Operation  
OPERATION

Engine condition
Not running
Engine condition
Idling or decelerating
PCV valve
Not operating
PCV valve
Fully operating
Vacuum passage
Restricted
Vacuum passage
Small

Engine condition
Normal operation
Engine condition
Accelerating and high load
PCV valve
Properly operating
PCV valve
Slightly operating
Vacuum passage
Large
Vacuum passage
Very large