P0401 Help - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 11 Old 01-07-2012, 08:04 PM Thread Starter
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P0401 Help

I just put studs and an EGR delete on a 06 PSD. The truck is setting a CEL with a 401 EGR code now. This is a company work truck, and the customer is not interested in a performance programmer, is there any other way to eliminate the code?? Thanks!

02 F250
Full force stage 1's
FBD 5"strait pipe
DP Tuner


72 F100 4x4


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post #2 of 11 Old 01-07-2012, 08:09 PM
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I cleaned my MAF with throttle body cleaner and it went away.


03 F250 CC/SB 4x4
225k Miles
Dual Exhaust
All Else Stock
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post #3 of 11 Old 01-07-2012, 08:12 PM Thread Starter
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Thing is, it no longer has an EGR, code popped up after i installed the studs and delete kit

02 F250
Full force stage 1's
FBD 5"strait pipe
DP Tuner


72 F100 4x4


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post #4 of 11 Old 01-08-2012, 06:21 AM
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Sounds like you need custom tunes to delete that code then. I believe that code is EGR Flow insufficient. Call vivian and get a tow tune since its a work truck.


03 F250 CC/SB 4x4
225k Miles
Dual Exhaust
All Else Stock
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post #5 of 11 Old 01-08-2012, 07:18 AM Thread Starter
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Yea, thats what it is, i was trying to avoid that, but i had sent an email to Ken w/SCT on friday. i have yet to hear back, so i thought i would throw it out there. Who does vivian work for, how would i go about getting ahold of her?

02 F250
Full force stage 1's
FBD 5"strait pipe
DP Tuner


72 F100 4x4


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post #6 of 11 Old 01-08-2012, 07:35 AM
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Originally Posted by bad_blue_oval View Post
Yea, thats what it is, i was trying to avoid that, but i had sent an email to Ken w/SCT on friday. i have yet to hear back, so i thought i would throw it out there. Who does vivian work for, how would i go about getting ahold of her?
http://www.quicktricksauto.com/

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #7 of 11 Old 01-08-2012, 08:26 AM
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I had the same issue, even running a tune. The person that tuned my truck did not want to eliminate the code for safety reasons. I plugged the EGR back in and tie wrapped it to the engine. The code went away after that. Still have the block off plate installed, just the now the EGR valve is sitting on the block.

"If you are flammable and have legs you are never blocking a fire exit."
-Mitch Hedberg

06 F250 Eddie Bauer
Sinister EGR delete
Sinister Coolant bypass
Powermax Turbo
Airdog 2 Fuel System
5" Turbo back lost cats
gauge pod w/glowshift Guages
SCT TSX Tuned by GearHead SRL
6" Fabtech lift
325/50r22 Trail Grapplers
22x14 Fuel Hostage wheels
K&N intake
Harpooned fuel tank
Swamps 58V FICM + PHP Tune
ECM Rollback by PHP
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post #8 of 11 Old 01-08-2012, 08:42 AM
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post #9 of 11 Old 01-08-2012, 08:55 AM
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Yeah, he said that if he disabled the alerts it would cause me to not get other important engine alerts. I argued but as you see I ended up plugging the EGR back in.

"If you are flammable and have legs you are never blocking a fire exit."
-Mitch Hedberg

06 F250 Eddie Bauer
Sinister EGR delete
Sinister Coolant bypass
Powermax Turbo
Airdog 2 Fuel System
5" Turbo back lost cats
gauge pod w/glowshift Guages
SCT TSX Tuned by GearHead SRL
6" Fabtech lift
325/50r22 Trail Grapplers
22x14 Fuel Hostage wheels
K&N intake
Harpooned fuel tank
Swamps 58V FICM + PHP Tune
ECM Rollback by PHP
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post #10 of 11 Old 01-08-2012, 08:57 AM
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my truck sets a P0401 if it's 60 or warmer outside. my valve is still in place and plugged in

seems like all of these trucks will set it under different conditions, there's no real way to get rid of it other than a tune. different calibrations do different things

-Matt

Ford Senior Master Tech

2015 F-250 XLT 6.7L

2006 F-250 6.0L SOLD
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