P0401 - Exhaust Gas Recirculation Flow Insufficient Detected - Ford Powerstroke Diesel Forum
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Old 05-08-2009, 06:00 PM
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P0401 - Exhaust Gas Recirculation Flow Insufficient Detected

Anybody have experience with this code? I've thrown it 4 times in the past couple of days and a few times last summer. It also throws a P1000, but that would be expected due to a failure on emissions testing.

So, I'm thinking that maybe soot has clogged the return to the air intake? Anybody have some input?

AFE Stage II
DOC/DPF delete
Spartan 275
Job 1
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Old 05-08-2009, 06:25 PM
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I have a Spartan Diesel DashDaq and DPF delete pipe for sale.... $800.00
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Old 05-09-2009, 06:23 AM
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Originally Posted by Desertratsocal View Post
I have a Spartan Diesel DashDaq and DPF delete pipe for sale.... $800.00
Wow, thanks for the useless post!
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Old 05-09-2009, 06:26 AM
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I think i might have logged that code once but it hasnt been back since. The p1000 is from the spartan.
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Old 05-09-2009, 09:32 AM
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Originally Posted by dzchey21 View Post
I think i might have logged that code once but it hasnt been back since. The p1000 is from the spartan.
The P1000 I'm not worried about; you'll throw that code if any emissions relate d codes are tripped.
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Old 05-09-2009, 09:34 AM
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ya i dont know i think its a soft code anyway so i dont know if i would worry about it. Have you got the code with a stock tune?
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Old 05-09-2009, 09:35 AM
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Sorry knobblies.... meant to post that elsewhere. Was lookin' at your post and put mine in the wrong spot.
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Old 05-09-2009, 09:50 AM
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Quote:
Originally Posted by Knobblies_840 View Post
Anybody have experience with this code? I've thrown it 4 times in the past couple of days and a few times last summer. It also throws a P1000, but that would be expected due to a failure on emissions testing.

So, I'm thinking that maybe soot has clogged the return to the air intake? Anybody have some input?

AFE Stage II
DOC/DPF delete
Spartan 275
Job 1
I started getting this code when I deleted my EGR cooler......SCT fixed it though....also its on a 6.0 not a 6.4.
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Old 05-09-2009, 09:59 AM
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Quote:
Originally Posted by Knobblies_840 View Post
Anybody have experience with this code? I've thrown it 4 times in the past couple of days and a few times last summer. It also throws a P1000, but that would be expected due to a failure on emissions testing.

So, I'm thinking that maybe soot has clogged the return to the air intake? Anybody have some input?

AFE Stage II
DOC/DPF delete
Spartan 275
Job 1
I get it EVERY day now. I remember reading somewhere that Spartan can change something in your tune to correct this, but I think it requires waiting for a new tune. I THINK. Mine doesnt seem to affect drivability at all, but I too am curious what is causing this?
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Old 05-09-2009, 10:18 AM
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must be tune related in some way
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