Part of the problem is that the EGR valve sits on top of the motor—a cooler location than on the newer 6.7L Power Stroke, which even has its own EGR cooling system. Consequently, the EGR valve can get plugged up in as little as 20,000 miles. Conventional wisdom says idling time doesn’t hurt a diesel, but not so on a 6.0L.
KEN L. MASTER CERTIFIED MECHANIC. 41,571 POSTS. The egr valve is on the side of the intake plenum and it will have an electrical plug in and vacuum line and a metal tube to the bottom. To remove it simply unplug the elect. connector and vacuum line and unscrew the tube from the bottom. Then remove the two bolts that hold it on and put it back
The egr valve will perform a series of clicks (self test mode) if you stop the car and don't hear these clicks, That is the day your egr valve is stuck either open or closed, But when blanked you never need to worry. Regarding cleaning, I've never cleaned the egr system before but I would clean the section leading inwards from the blanking plate,
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