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I would change the spark plugs, PCV valve, EGR valve, and clean the air intake. THe PCV valve is on the driver side valve cover near the firewall and it is a blue plastic,
FF
cleaning the throttle body is a good thing to do when you change the EGR valve.. make sure you take it off and clean both sides of the butterfly valve... you'll be suprised how much carbon is built up
I would change the spark plugs, PCV valve, EGR valve, and clean the air intake. THe PCV valve is on the driver side valve cover near the firewall and it is a blue plastic,
FF
The pcv is a closed type system on this engine. It is right next to the throttle body on the intake manifold passenger side
your 4.7 is going to have it on the fill neck for the oil. its a 90 degree pcv that has a rubber hose going into it. take the hose off, the rotate it down, then pull it out