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Re: Insufficient EGR Flow - CEL
tjkashin, welcome to the forum. Sorry you're up against the wall. Maybe the exhaust gas that should be delivered to the EGR valve is low because of a clog...somewhere between cylinder exhaust valves and the EGR valve? If replacing EGR valve made it run great...maybe it was clogged? Now, new EGR valve clogged already? Maybe someone who has actually torn into this area can comment.
Replacing the PCM? Seems possible the EGR control electronics failed...I'd check everything else I could before I paid $300-400 for that part.
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