2005 F250 - EBP Sensor - Ford Changed It - What Now? - Diesel Forum - TheDieselStop.com
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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 01-08-2011, 11:43 PM   #1 (permalink)
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2005 F250 - EBP Sensor - Ford Changed It - What Now?

Update: With further checking on this on-line, I found one site that indicates that the 2003-2005 (only those built through 11/3/04 - mine was 7/1/04) use one EBP sensor (4C3Z-9J460-A) and those built after 11/3/04 use a different one (5C3Z-9J460-B). The difference is the 4C3Z##### is a straight (pipe) thread fitting, whereas the later is a tapered/flared thread. This really sucks rocks. No longer can you go to the parts store and tell them what year your vehicle is, but now you have to know the manufacture date. This doesn't explain why the dealer parts guy says all of the previous ones have been updated to the current part number though. I will call them on Monday and specifically ask for the 4C3Z### part number and see if they have it or if they say it has been updated to the 5C3Z### number.

Ok, so here's the scoop. While I was doing some other work on the truck (replace ICP sensor, EGR valve) I decided to replace the EBP sensor. So I picked up the new EBP sensor, got home and low and behold, the threads are completely different than the old one. The threaded portion of the new EBP is probably 1/8-3/16 inches wider and the threads themselves are more widely spaced. Well, I took it back to Ford and they have no clue why they are different, just that the new one is the one they now list for all 6.0 diesels. My question is: Is there some other service bulletin or something that indicates that the tube or bracket needs to be replaced now too? How do I replace a sensor if the new one won't fit where the old one was? I'm not used to manufacturers making new parts that don't fit where the old ones were, or having to manufacture my own connections for sensors or anything else on vehicles. Anyone have a clue as to what I need to do now? (The reason for replacing the EBP sensor is that every since I took the truck in to the local dealer for recall 05E15 (aobut 2.5-3 yrs ago), the truck has run like crap. Lost a lot of power and fuel mileage dropped from about 19-20, to 12. What Ford did for the recall was replaced the connector to the EBP and reflash the computer. They reflashed the computer 3 times trying to resolve my problem and finally gave up. I've checked the wiring on the EBP to make sure they attached the wires correctly and it appears they did (all three of the wires on the new connector are purple, so you have to make sure and connect them correctly I currently run an Edge Power programmer which has given me back the power, but not the gas mileage). Thanks.

Last edited by rdranman; 01-09-2011 at 02:05 AM. Reason: Updated information
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Old 01-09-2011, 04:05 AM   #2 (permalink)
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Originally Posted by rdranman View Post
Update: With further checking on this on-line, I found one site that indicates that the 2003-2005 (only those built through 11/3/04 - mine was 7/1/04) use one EBP sensor (4C3Z-9J460-A) and those built after 11/3/04 use a different one (5C3Z-9J460-B). The difference is the 4C3Z##### is a straight (pipe) thread fitting, whereas the later is a tapered/flared thread. This really sucks rocks. No longer can you go to the parts store and tell them what year your vehicle is, but now you have to know the manufacture date. This doesn't explain why the dealer parts guy says all of the previous ones have been updated to the current part number though. I will call them on Monday and specifically ask for the 4C3Z### part number and see if they have it or if they say it has been updated to the 5C3Z### number.

Ok, so here's the scoop. While I was doing some other work on the truck (replace ICP sensor, EGR valve) I decided to replace the EBP sensor. So I picked up the new EBP sensor, got home and low and behold, the threads are completely different than the old one. The threaded portion of the new EBP is probably 1/8-3/16 inches wider and the threads themselves are more widely spaced. Well, I took it back to Ford and they have no clue why they are different, just that the new one is the one they now list for all 6.0 diesels. My question is: Is there some other service bulletin or something that indicates that the tube or bracket needs to be replaced now too? How do I replace a sensor if the new one won't fit where the old one was? I'm not used to manufacturers making new parts that don't fit where the old ones were, or having to manufacture my own connections for sensors or anything else on vehicles. Anyone have a clue as to what I need to do now? (The reason for replacing the EBP sensor is that every since I took the truck in to the local dealer for recall 05E15 (aobut 2.5-3 yrs ago), the truck has run like crap. Lost a lot of power and fuel mileage dropped from about 19-20, to 12. What Ford did for the recall was replaced the connector to the EBP and reflash the computer. They reflashed the computer 3 times trying to resolve my problem and finally gave up. I've checked the wiring on the EBP to make sure they attached the wires correctly and it appears they did (all three of the wires on the new connector are purple, so you have to make sure and connect them correctly I currently run an Edge Power programmer which has given me back the power, but not the gas mileage). Thanks.
It's pretty straight forward.... If the EBP is near the thermostat housing, you get the pipe thread one. If the EBP is under the degas bottle, you get the tapered seat one...

Reflashed the PCM three times? All manner of questions go begging here.... I'd have to check to be sure but yours may have the inferred EBP reading anyway. It sounds like your dealer dropped the ball....
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Old 01-09-2011, 02:16 PM   #3 (permalink)
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Hiram, thanks for the reply. Yep, mine is near the thermostat housing..thus the pipe thread one (4C3Z###). Knowledge of that, however, isn't common. What do you think the chances are of going into a parts store (or even like in my case, the dealer) and asking for an EBP for a 2005 F250 w/6.0 and having them come back with : Is yours near the thermostat or under the degas bottle? Just like when I went into my dealer and the parts guy said all 6.0s had been upgraded to the tapered thread EBP.
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