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  #1  
Old 08-07-2005, 03:20 PM
 
Join Date: Jul 2005
Posts: 1
Default DPFE sensor/egr problem????

Hi all,

I am getting a check engine light on my 98 Ranger. The trouble code is p0401 (insufficient egr flow). My question is, several forum members have mentioned that the DPFE sensor might be the culprit. What does DPFE stand for??? Where exactly is the DPFE sensor located? Thanks for your help.

John
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  #2  
Old 08-07-2005, 03:53 PM
 
Join Date: Nov 2004
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Posts: 16
Default RE: DPFE sensor/egr problem????

The DPFE on my 97' is located on the drivers side, in an area behind the EGR. It is a small rectangular box with vacuum hoses attached. The original was made of aluminum and rusts on the inside. The replacement is plastic. I think DPFE stands for Diferential Pressure FeedbackExhaust.
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  #3  
Old 08-07-2005, 03:56 PM
 
Join Date: Jul 2005
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Posts: 608
Default RE: DPFE sensor/egr problem????

OH GEESSSSSS , I gotta spell this out , I hate typing [:@],,, ok if I have ta tell u ,,, Differential Pressure Feedback Electronic Sensor, I even hate saying it ,,,,,, should be somewhere I think on the fenderwell , hads a electeric plug in an several silcone type hoses. , IF -----You replace do not cross the hoses , there differnt sizes , but if you try really hard you can cross them.,, if I remember rite the old ones were silver in color an the new ones are smaller an black in color ? ,, or vice verse ......
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  #4  
Old 08-07-2005, 05:18 PM
 
Join Date: Jul 2005
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Posts: 608
Default RE: DPFE sensor/egr problem????

yea :::::: just what [ redfox ] said ,,,, on the early ones they were by EGR valve , later they got moved to fenderwell ,, an a happy DPFE to you too , [sm=alcoholic.gif]
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  #5  
Old 08-08-2005, 12:15 AM
 
Join Date: May 2005
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Posts: 298
Default RE: DPFE sensor/egr problem????

THEY fill up with condensation thats why the insuffient flow when you take it off tap it and see the water come out
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  #6  
Old 02-07-2006, 03:50 PM
hb hb is offline
 
Join Date: Feb 2006
Posts: 1
Default RE: DPFE sensor/egr problem????

newbe here....I have a '94 Thunderbird with the same problem...engine light came on and now the dealer says is the DPFE sensor. The dealer says is $600+ bucks but they need to "clean" the ducts which will add 4.5 hours and raise the bill up to $800+ !!!! He says that if they do not clean the ducts, they light will just came back on.

Suggestions! Yelp! Recommend another place or what I should tell them at the dealership?

Thanks!

hb
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  #7  
Old 02-14-2007, 06:49 AM
 
Join Date: Mar 2006
Posts: 1
Default RE: DPFE sensor/egr problem????

Sorry about revisiting this old post.

Is there a way to eliminate the condensation mentioned in post #5? I've replaced the DPFE twice now on my 99' Escort, the last time there was an obvious amount of condensation in the hoses. I replaced both hoses as well and the P0401 code is tripping again. I also pulled the entire EGR tube off and clean it with a bottle of carb cleaner to make sure there was no carbon blockages. Does condensation foul the sensor as well? Annnnnnd, any recommendation on DPFE brands for replacement? The aluminum OEM Motorcraft DPFE lasted me 90k miles, both Autozone (can't remember the manufactures name) plasticreplacements only have lasted around 5k miles each. Pay the extra money and go OEM?
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  #8  
Old 05-13-2008, 03:58 PM
 
Join Date: May 2008
Posts: 2
Default RE: DPFE sensor/egr problem????

I have a 95 T-bird 4.6L model. I have an EGr Valve code comming up and bucking when accelerating, seems ok at steady speeds. Im finding that according to most repair manuals i have to hoist the engine up and down to replace the EGR Valve, but before i do this i have had a lot of people tell me that it could also be the DPFE Sensor. How exactly can i tell for sure which one it is before i go through all the trouble to replace it. Also would either one cause smoke to come from the exhaust while both driving and idling, not a lot but just a little smoke?
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Beth
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  #9  
Old 05-29-2010, 11:19 PM
Junior Member
 
Join Date: May 2010
Posts: 1
Default

Have a 2005 Ford Five Hundred SEL check engine lights is on. Checked code and it is a P0405. Can someone tell me where I can located this part on my card?
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Old 05-29-2010, 11:19 PM
 
 
 
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1997, 97, change, dpfe, e150, egr, escort, f150, feedback, ford, location, pressure, problem, sensor, windstar

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