Originally Posted by TerryB
I can't see it clearly. But the PCV line that runs from the front to back, is problematic. Over time, the hose will soften up and collapse. Some will actually tear open. It will affect the performance. This gets posted quite a bit. Do a search for the PCV hose. I can't copy and paste from my Nook. Your pic does look like that hose.
That hose I have highlighted runs off to the left (from the aspect of the picture) and fits over a metal piece closer to the engine. Does this run towards the front and connect to another rubber hose, then the pcv?