code P1404 - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 07-16-2012, 06:53 AM Thread Starter
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code P1404

I am haveing a problem with my truck bucking on hills especially pulling my trailer. At the same time I get black smoke out of the exhaust pipe and I have a check engine light. I put a code reader on it and it it comes up with p1404 iat -Bcircuit malfunction egr position closer performance.Can someone tell me what this means and how can I fix it.

2004 Super Duty 6.0 crewcab long wheelbase dually
4:10 rear 5 spd auto
Banks intercooler,intake and exhaust
ARP Head heads and gaskets
SCT flash control
egr delete
blue fuel pressure spring
galaxy cb with whip antenna
I pull a 32 ft.camper trailer
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