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Pete Guthrie
 Post subject: exhaust back pressure sensor ford f250 turbodiesel
PostPosted: Fri Jan 31, 2014 5:32 pm 
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Joined: Mon Sep 29, 2003 10:24 pm
Posts: 2433
Location: purveyor of the ridiculous
the 7.3l turbodiesel in our ford f250 truckc. our ebp has failed. anyone know how to fix it. or where it is on a 1996 model,i can get a 97 all day long on the computer, but get nowhere.ours is a 96, no one knows anything about a older diesel .

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BretLuter
 Post subject: Re: exhaust back pressure sensor ford f250 turbodiesel
PostPosted: Sun Feb 02, 2014 12:47 pm 
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96 should be the same as 97
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Charlie Guthrie
 Post subject: Re: exhaust back pressure sensor ford f250 turbodiesel
PostPosted: Mon Feb 03, 2014 2:14 pm 
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Posts: 832
Once again, Bret is correct. Ordered on ebay. Only really confusing part is that Ford calls it an "exhaust back pressure" tube and everyone else wants to call it an EGR tube. Thankfully someone on PowerStroke forum pointed that out. Even RockAuto calls it EGR (and I "knew" that it doesn't have an EGR ob a diesel.
Charlie G

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Steven Spampinato
 Post subject: Re: exhaust back pressure sensor ford f250 turbodiesel
PostPosted: Tue Feb 04, 2014 10:51 pm 
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They did not have the EGR until the first 6.0L.
The tube could be plugged with soot too..have you tried cleaning it?

The PCM is allowed to control the exhaust back pressure to up to oil temp/engine temp. A clogged/cracked tube will usually show a low back pressure and effect mileage and cause the PCM to interpret a Low Load condition even when heavy into the pedal. A bad sensor will cause the PCM to use a default value based on pedal position.

I little memory/looking up some old text books from my days at UTI Ford Factory School.

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Steven Spampinato
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Been auto-crossing on and OFF for a while now, yet I find myself driving more OFF than ON.
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Charlie Guthrie
 Post subject: Re: exhaust back pressure sensor ford f250 turbodiesel
PostPosted: Tue Feb 04, 2014 11:27 pm 
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Thanks for t he feedback Steve.
I did try cleaning the tube....what a PITA. Forums on Powerstroke, etc suggested using brake cleaner as a soot solvent which seemed to do nothing but make a mess, and prove that nothing was going to pass the tube. It did reveal a small crack (which prompted me to order a replacement). I was able to get a speedometer cable powered by my drill motor to run through the tube's bends and clean it out. Truck seems to run much better and should be "wonderful" once the new tube arrives this week.
Charlie G

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1987 BMW 325is
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