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Re: 2011 6.7 P0401
Posted to HD/Fleet Forum on 10/29/2024

I totally agree with the two prior posts. I will add gaining access to the front of the cooler and bore scoping the front of the cooler. Using the IDS and watching the data is a must as well. Good chance it is clogged. Your local Ford Dealer with a decent part... Login to read more.