V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

P0401 trouble code HELP!!!

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Old Oct 25, 2007 | 01:15 PM
  #11  
blknismo180's Avatar
blknismo180
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Joined: Apr 2007
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From: riverside CALI
Default RE: P0401 trouble code HELP!!!

HOW DO YOU DELETE THE EGR???
more info with price of the whole thing.....

WELL I did not find what was wrong with it but i found one bolt missing and one of them came loose from one of the egr valve parts.... could that be throwing the code?
Old Oct 25, 2007 | 01:17 PM
  #12  
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blknismo180
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Joined: Apr 2007
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From: riverside CALI
Default RE: P0401 trouble code HELP!!!

SLYSTANG
how long did you have the code on for???
did you encounter any other problems other than blackness on the exhuast?
i have been daily driving it for 2 days today 3.... but only within 5 mile distances....
how long can i push this
Old Oct 25, 2007 | 07:39 PM
  #13  
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blknismo180
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From: riverside CALI
Default RE: P0401 trouble code HELP!!!

okay i checked the EGR valve its not at fault....
its either the vaccum hose that connects to it or it is in fact the dpfe sensor
Old Aug 4, 2008 | 11:26 AM
  #14  
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Richbrad08
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Joined: Jul 2008
Posts: 730
From: Alabama
Default RE: P0401 trouble code HELP!!!

i had the same probleme in my 00 honda accord....they wanted like 350 for the new valve + labor i was like no....so i took it apart and clean the port it self and the problem was fixed but i also had to Drill a bigger hole b/c they recalled it but my car was to old to get it for free =-(..but now my Mustang is doing it >< how do u acces the port i took the upper manifold off and dident see the port is it in the lower one?
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