Where is the PCV valve located on a 2007 Chevrolet Impala 3.9L engine?

On a 2007 Chevrolet Impala with the 3.9L engine, the PCV valve is typically located on the valve cover, near the back of the engine. It's often a small, plastic valve with a hose connected to it. However, the exact location can vary slightly depending on the specific engine configuration. It's best to consult a repair manual specific to your 2007 Impala 3.9L or use a diagram online that shows the engine layout for that specific year and engine. A visual search using images online for "2007 Chevy Impala 3.9L PCV valve location" might help you pinpoint it.