EGR help
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Senior User
Joined: Nov 2004
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EGR help
i have a 05 f-350 6.0 powerstroke dsl. i have put a banks powerPDA and after reading the OBDll codes two codes came up. the codes and defintion are "P0404 EGR, EGR control circuit range/performance EGR sensor or valve, EGR position circuit" and "P0405 EGR, EGR sensor A circuit low open circuit, short to ground, EGR position sensor". what is my problem and how can i fix it, also do i have to orderin any parts?
Senior User
Joined: Apr 2007
Posts: 154
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From: Stationed in Beaufort SC
Take the egr off and clean it. There is a detailed remove/clean/and install in the tech folder. It is probably stuck open. You could also unplug the egr and see if it still acts the same. MAKE SURE YOU DO IT WHEN THE ENGINE IS COLD. IMO i would take off all of the banks stuff. I have heard nothing but bad things from Ford owners about banks.
Resident smarta$$
Joined: Aug 2006
Posts: 4,929
Likes: 9
From: Oaks,PA
You need to make sure the truck is NOT running and the key is turned off before unplugging it or you will stick it in the ON position. Don't know if just unplugging it will work without throwing CEL on '05 up, my buddy did it on his '06 and he had to plug back in for CEL to go out.
Senior User
Joined: Apr 2007
Posts: 154
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From: Stationed in Beaufort SC
I have an 05 and mine has been unplugged for about 7000 miles and no CEL. Be sure to read the Tech foder on EGR removal. If you pull it you may need to replace the O rings. When you clean it be sure not to get any liqiud above the bottom of the housing. Tech folder has all instrctions and cautins.
Last edited by 03KingRanch250; Jan 1, 2008 at 08:55 AM. Reason: spelling
