Still showin the code.

July 3rd, 2008, 02:55 PM	#1
BLK2KGT Enthusiast 2000 Mustang GT 1/8 7.95@82.43 Join Date: May 2008 Location: Mobile, Alabama Posts: 579	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? __________________ If you're not 1st you're last -Ricky Bobby Topless Mustang Club Founder

July 3rd, 2008, 03:29 PM

00vabchgt

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Location: Virginia Beach, VA

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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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Originally Posted by MamaStang

"Boy Danny....nice cock ya got there. "

July 3rd, 2008, 03:33 PM

00vabchgt

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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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Originally Posted by MamaStang

"Boy Danny....nice cock ya got there. "

July 3rd, 2008, 04:16 PM	#4
BLK2KGT Enthusiast 2000 Mustang GT 1/8 7.95@82.43 Join Date: May 2008 Location: Mobile, Alabama Posts: 579	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. __________________ If you're not 1st you're last -Ricky Bobby Topless Mustang Club Founder

July 3rd, 2008, 04:17 PM

00vabchgt

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2000 Mustang GT

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cool. good luck. if you need anymore help, just post...

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Originally Posted by MamaStang

"Boy Danny....nice cock ya got there. "

July 3rd, 2008, 07:57 PM	#6
cliffyk Regular Join Date: Feb 2007 Location: Saint Augustine, FL Posts: 497	Here's what the '03 Ford shop manual says about P0401, it's more specific then the generic description... __________________ -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...

July 3rd, 2008, 09:48 PM	#7
BLK2KGT Enthusiast 2000 Mustang GT 1/8 7.95@82.43 Join Date: May 2008 Location: Mobile, Alabama Posts: 579	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. __________________ If you're not 1st you're last -Ricky Bobby Topless Mustang Club Founder

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