Plugs are carbon fouled, mostly on cylinder 4, I was able to go through the pcv ports through the block and valve cover, I understand the routes now. No blockage there. No blockage in the valve cover and the pcv hose is pulling a vacuum. I think it may be the monster I have been...
I am looking for a good explanation as to how the PCV system works in these 2.2L Ecotecs (2003). Yes, I know there is no PCV valve, and that air is brought in through the hose into the valve cover, circulates through the crank case and exits through the port into the Intake manifold. What I want...