P0401 code??? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 04-22-2009, 02:11 PM Thread Starter
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P0401 code???

hello to all.... i threw a code today (P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient Detected)... what can i do to make it not come back and what is it really.... thanks to all

2008 F250 FX4 CCSB, Spartan DD and DPF Delete, Banks Monster Exhaust, AFE CAI, A-Pillar Gauges with Boost, Trans Temp, and Exhaust Temp, KC Hilites Lite Bar w/ 4 6" KC Hilites, Pace Edwards Full Metal Jack Rabbit Rolling Bed Cover, Ready Lift 2.5" Lift with Toyo Open Country M/T 37x13.50x20, Rocker Pods, Kenwood DNX8120, Powerbass Amp, JL Audio Front and Rear Speakers, 12" Pioneer Shallow Sub....
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post #2 of 6 Old 05-08-2009, 07:03 PM
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you get any answers about this? I've thrown the same code for the past few days....


Any ideas?
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post #3 of 6 Old 05-31-2009, 08:00 AM
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this problem has just happened for me too. I do have the spartan, but for a year now
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post #4 of 6 Old 06-01-2009, 09:24 PM
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my truck has been throwing the same codeI just keep clearing it hope it's nothing serious....maybe some one knows what this is?

2008 F450 l/b dually 4x4 Lariat Blk/gld
Spartan 275 DPF delete and dual 6" Stacks
22.5" Alcoa Rims
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post #5 of 6 Old 06-01-2009, 09:50 PM
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my 6 uh oh threw it all the time... for the most part, you can just pull the EGR valve and clean it but I dont know how involved that is on the 6.4.... never done it... otherwise if youre not worried about warranty you can always delete it and the DPF and have fun with the truck

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post #6 of 6 Old 06-01-2009, 10:03 PM
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I think i read somewhere that they cleaned something out and it fixed it, lol little vauge i know ill try and find the thread

single turbo'd 6.4
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