07 classic - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 02-03-2008, 04:57 PM Thread Starter
 
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07 classic

can any one please tell me what code PO401 is????
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post #2 of 7 (permalink) Old 02-03-2008, 05:02 PM
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egr flow insufficient

I found that here

http://www.dieselplace.com/forum/sho...ighlight=p0401

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post #3 of 7 (permalink) Old 02-03-2008, 05:07 PM Thread Starter
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im new to the diesel world, i have an 07 classic straight piped with air raid intake and the max energy tuner how would i solve the problem
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post #4 of 7 (permalink) Old 02-04-2008, 12:40 PM
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You can defeat the diagnostic test that creates the code with EFILive, it's an all-in-one diagnostic tuning package. If you have any ideas about tuning your truck in the future, this will save you some money.

There are other ways, but they involved cutting into your electrical harness.

Michael
Vehicle Systems Engineer/Professional Tuner
04.5 GMC 2500HD SRW LLY

Learn about INDUCTION OVERHEATING


ECM's FOR SALE
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post #5 of 7 (permalink) Old 02-06-2008, 07:42 PM
 
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get a egr blocker and a finger stick
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post #6 of 7 (permalink) Old 02-07-2008, 12:38 AM
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I get that same code all the time

SOCAL DIESEL TRUCKS .COM
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post #7 of 7 (permalink) Old 02-07-2008, 01:37 PM
fordt
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I get the same code pull heavy, seems whenever the motor is at lower RPM's, and working.
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