Where is PVC valve located on 05 GMC Envoy?

The PVC (Positive Crankcase Ventilation) valve on a 2005 GMC Envoy is typically located on the engine's valve cover. It's usually found near the rear or side of the engine, connected to the intake manifold by a hose. To access it, you may need to remove some components for better visibility, but it should be relatively straightforward to locate.