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Old Dec 16, 2010 | 12:22 PM
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Question EBP Tube

What are some symptoms one can notice if the EBP tube is pluged up?
 
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Old Dec 16, 2010 | 12:30 PM
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I did go to the trouble to clean mine, but I saw no difference afterwards. I honestly don't know that anyone has ever noticed enough of a difference to be able to say what the symptoms of needing to clean it are. Just an easy maintenance item to check off.
 
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Old Dec 16, 2010 | 12:42 PM
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supposed to see a fuel mileage drop with a blocked tube. Like Robert said...i cleaned mine but didnt notice any difference. maybe mine wasnt clogged up enough?
 
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Old Dec 16, 2010 | 01:16 PM
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Can cause decrease in power and MPG's. I also noticed no difference when I cleaned mine and it was packed good, though I'm sure it helped since the pcm was making changes to correct the clogged sensor.
 
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Old Dec 16, 2010 | 02:48 PM
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If it is completely plugged up it will ignore the sensor reading. Here is some more information on it: ECSD - Exhaust Back Pressure (EBP) Sensor - 1994-1997 Power Stroke FAQ
 
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Old Dec 16, 2010 | 02:51 PM
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Thanks guys, Was just wondering couse wave noticed a 2 mi per gal loss the last 3 or 4 fillups . Maybe just the winter blend?
 
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Old Dec 16, 2010 | 02:56 PM
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Originally Posted by Deluxe06
Thanks guys, Was just wondering couse wave noticed a 2 mi per gal loss the last 3 or 4 fillups . Maybe just the winter blend?

what does that bring you down to for mpg? i wouls suspect the tube clogging up would be a more gradual decline. so i would say it's the winter blend.

after doing all the stuff to my truck im trying to establish if there is any mpg increase....im on the first tank since getting things straight and im trying to keep my foot out of it. it may be a lost cause with the winter blend and the increased idling time for warmups.
 
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Old Dec 16, 2010 | 03:05 PM
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Originally Posted by tdpower
If it is completely plugged up it will ignore the sensor reading. Here is some more information on it: ECSD - Exhaust Back Pressure (EBP) Sensor - 1994-1997 Power Stroke FAQ
Thanks Grant that was some awsome info. Will AE read what the NGS tool will?
 
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Old Dec 16, 2010 | 03:07 PM
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Originally Posted by Deluxe06
Thanks Grant that was some awsome info. Will AE read what the NGS tool will?
Yes you should be able to. I don't have AE so I can't tell you were to look.
 
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Old Dec 16, 2010 | 03:08 PM
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Originally Posted by bama29fan
what does that bring you down to for mpg? i wouls suspect the tube clogging up would be a more gradual decline. so i would say it's the winter blend.

after doing all the stuff to my truck im trying to establish if there is any mpg increase....im on the first tank since getting things straight and im trying to keep my foot out of it. it may be a lost cause with the winter blend and the increased idling time for warmups.
I was getting around 17.6 to 18 mpgs after the mods in 80E but lately it's only been around 15.3
 
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Old Dec 16, 2010 | 03:13 PM
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Originally Posted by tdpower
Yes you should be able to. I don't have AE so I can't tell you were to look.
Ok cool, I will do some playing around with it to see if I can find it. Again Thanks
 
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Old Dec 16, 2010 | 07:49 PM
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Originally Posted by Deluxe06
Ok cool, I will do some playing around with it to see if I can find it. Again Thanks
AE will read EBP.
 
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Old Dec 16, 2010 | 08:40 PM
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Originally Posted by PaysonPSD
AE will read EBP.
Thanks Robin, I think I do remember seeing in there. Do you have any numbers for good and bad readings?
 
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Old Dec 16, 2010 | 08:55 PM
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Originally Posted by Deluxe06
Thanks Robin, I think I do remember seeing in there. Do you have any numbers for good and bad readings?
The only constant reading I can think of is a comparison between "manifold absolute pressure" and "exhaust back pressure" with KOEO. They should be real close because each reading should be the ambient baro pressure. At sea level it should be approximately 14.7 PSI. My readings at 5,000 FT are 12.5 PSI. That would be about 0.44 PSI loss per 1,000 FT of elevation gain.

While running and under load and boost the EBP can reach as much as 50 PSI.

Edit: Sorry but I can't remember what my EBP is at any given speed.
 
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Old Dec 16, 2010 | 09:07 PM
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Ok good, I will hook up tomorrow and get some readings and post them
 
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