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Discussing Still showin the code. in the 99-04 Forum. Ok i have replaced the gas cap and the egr valve and both times the ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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July 3rd, 2008, 02:55 PM
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#1 |
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Enthusiast
2000 Mustang GT
1/8 7.95@82.43
Join Date: May 2008
Location: Mobile, Alabama
Posts: 654
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Still showin the code.
Ok i have replaced the gas cap and the egr valve and both times the code P0401 came back. Now I found this website, OBD-II Trouble Code: P0401 Insufficient EGR Flow, about this code but I don't know what the DPFE switch is could anyone tell me?
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July 3rd, 2008, 03:29 PM
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#2 | |
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Resident Bubblehead
2000 Mustang GT
Join Date: Nov 2006
Location: Virginia Beach, VA
Posts: 4,823
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Differential Pressure Feedback, EGR sensor. most parts stores will have it listed as "EGR Sensor". just replace it and you should be fine. i just did this on my 02 Exploder...
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July 3rd, 2008, 03:33 PM
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#3 | |
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Resident Bubblehead
2000 Mustang GT
Join Date: Nov 2006
Location: Virginia Beach, VA
Posts: 4,823
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there's a black bracket behind the upper intake plenum just in front of the firewall. on the back of it is a blck plastic sensor with an electrical connector and 2 rubber vacuum lines coming off it. it's held onto the bracket by 2 bolts. that's the DPFE sensor...
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July 3rd, 2008, 04:16 PM
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#4 |
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Enthusiast
2000 Mustang GT
1/8 7.95@82.43
Join Date: May 2008
Location: Mobile, Alabama
Posts: 654
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Ok cool man thanks that helps me out alot. I let ya know how it goes. I just fixed an exhaust leak and erased the code and if it comes back thats what I am going to replace.
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July 3rd, 2008, 04:17 PM
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#5 | |
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Resident Bubblehead
2000 Mustang GT
Join Date: Nov 2006
Location: Virginia Beach, VA
Posts: 4,823
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cool. good luck. if you need anymore help, just post...
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July 3rd, 2008, 07:57 PM
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#6 |
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Regular
Join Date: Feb 2007
Location: Saint Augustine, FL
Posts: 497
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Here's what the '03 Ford shop manual says about P0401, it's more specific then the generic description...
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-cliff knight- My Mustang GT 2003 GT, UPR X, Magnaflow, 180° stat, PP 70mm TB & plenum, Sniper Commando tuned 3.73s, 252 rwHP/296 ft.lb. Multi-fuel: burns gas and rubber... |
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July 3rd, 2008, 09:48 PM
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#7 |
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Enthusiast
2000 Mustang GT
1/8 7.95@82.43
Join Date: May 2008
Location: Mobile, Alabama
Posts: 654
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Yeah thats like that website I found on my 1st post. Im hoping that the exhaust leak is what was causing it but if it comse back I'll let you know.
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