Where is the pcv on 2003 Nissan Altima 3.5 engine?

On the 2003 Nissan Altima with a 3.5-liter engine, the Positive Crankcase Ventilation (PCV) valve is located on the driver’s side of the engine. It is typically found on the valve cover, near the rear of the engine. You may need to remove some components for easier access, such as the intake hose or engine cover, to reach it.