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Greetings, y'all.

So I pulled a P1407 - EGR No Flow Detected a while back, and tonight I noticed a loud 'sucking' sound coming from the area of the EGR. It sound like a loud vacuum leak - if it is or not, I've no idea. But that's what it sounds like. So, uh, what's busted? :) Thanks, everybody.

Joe
 

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Double check to make sure the red vacuum line is pushed onto the bottom vacuum fitting of the DFPE switch. Its right above the EGR, has a green line and red line going into it. Or the red one is broken....its the one that has manifold vacuum :) Thats what i think it is!
-Rob
 

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It could also be the vacuum line going to the egr vacuum regulator solenoid or a leak in it internally. Or also a leak in the actual egr valve.
 
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