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sensor? what does it do

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Old Dec 11, 2007 | 01:19 PM
  #1  
fordman837000's Avatar
fordman837000
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From: taunton , ma
sensor? what does it do

hey guys i got a 97 psd i just found a sensor that looks like someone cut the plug going to it theres just wires and no plug its a sensor right next to the alt. its mounted on a steel tube at the front of the engine i was told its a oil sensor does anybody know what it is and what its function is. does this have anything to do with the ebpv not moving even in 20*F weather up here in mass? I hope i can buy just the plug and connect it to these wires I don ' t know why it was cut off it only has three wires and they go into the main harness.


Thanks, Kris
 
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Old Dec 11, 2007 | 01:59 PM
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that IS the reason. there could be more, but that is it, u betcha
 
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Old Dec 11, 2007 | 02:40 PM
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Sounds like the exhaust back pressure sensor.

Bill
 
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Old Dec 11, 2007 | 02:47 PM
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Originally Posted by fordman837000
...ebpv not moving even in 20*F weather up here in mass? ...
Hey, i know this isn't an answer to your question, but i live in MA and i'm up at school in NH, and I've disconnected my EBPV completly. I've found that the warmup times with it connected and disconnected are almose negligable. Plus it KILLS power while it's on. I know this isn't what you were asking, but just food for thought. Also, someone might have already disconnected the wire, it'l located under the intake side of the turbo. If it's been disconnedted then the EBPV won't engauge. I'd take a pick of the location for you, but my truck is in a lot 2 miles away, not a fun walk. let me know if you want a pick and i'll take one next time i'm out there.

-Robb
 
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Old Dec 11, 2007 | 02:52 PM
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i found out what the sensor is it is the exhaust backpressure sensor now i ' m trying to find out is why it was cut and not just unplugged i found this pic on tjbeggs site and it helped tell me what it is. Everything else is connected and plugged in.
http://good-times.webshots.com/photo...99659029QDJYXr
 
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Old Dec 11, 2007 | 02:54 PM
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u may need to clean that tube. mine was totally stopped up
 
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Old Dec 11, 2007 | 03:02 PM
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it don't have any problem warming up and if it really isn ' t needed than maybe i shouldn ' t pursue this anymore.But it really puzzles me on why it was cut in the first place. I know this is off subject robb where do you live in mass? I live in taunton had this truck 5 months and am already married to her but i know nothing on her history exept she was used i should say abused by a concrete company before i bought her. I know nothing else exept that shes never been totaled or salvaged.
 
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Old Dec 11, 2007 | 03:10 PM
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how did u clean it?
 
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Old Dec 11, 2007 | 03:18 PM
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I live in Scituate. If you don't know where that it's about 20 min south of Boston on the coast. Right now i'm studying up at UNH. I'm in the same boat as far as having an abused truck. I had a beautiful '97 F-250 (pics in my gallery) that i bought form the original owner. Had like 47K on it and was in perfect condition. Then I needed to pay for school so out when the truck and I had nothing up at school for a while. Then I heard about a buddy of mine selling his '97 F-350 for cheap $$. I knew that a landscape company had betten the crap out of it while they owned it previously. I had to do quite a bit of work to get her back up to par... and there's still work that neede to be done. Thank god I replaced the Glow plugs, Upgraded the GPR, replaced both batteries, and cable, as well as starter or else she probably wouldn't start in this 20* (or colder) weather ( i have no place to plug it in up here at school...). Sorry for the thread Hi-Jack

-Robb
 
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Old Dec 11, 2007 | 03:41 PM
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ya i know where that is i drive tractor trailer for a living i know i have good glow plugs and i did the relay a month ago just to be safe and the batterys are a year old but i am able to plug mine in i had to convise my landlord to let me I have mine set on a timer in comes on at 3:30am i leave for work at 5:00am the timer is set untill 10:00am incase i get up late or you know the weekend sleep in!lol I bought mine dirt cheap off a friend who was sellin it for the company i paid $3,300 For the truck with plow and a gas power generator/welder that my friend found at the dump with nothing wrong with it exempt out of gas it does have high mileage and i just put in a new tranny well i should say i had mine rebuilt but i took it out and installed it the nice part is i put the plow on with my friend before i knew he was selling the truck
 
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Old Dec 11, 2007 | 07:29 PM
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he cleaned it with pb blaster, gas, everything down to black powder cleaning supplies...
 
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Old Dec 11, 2007 | 10:11 PM
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Is that tube hard to clean? If it's that far from the exhaust it must be!!!!
 
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Old Dec 12, 2007 | 05:37 AM
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Originally Posted by powerstrokeddiesel
he cleaned it with pb blaster, gas, everything down to black powder cleaning supplies...
dont forget-finally made a trip to the auto parts and bought some brake cleaner
 
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Old Dec 12, 2007 | 07:25 AM
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My guess on the reason the plug is missing is cause it was scavenged for another sensor or another truck. And as far as fixing it. Don't bother. The valve is worthless other than for an exhaust brake and you can still do that without the sensor and tube being cleaned.
 
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Old Dec 12, 2007 | 11:07 AM
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oh yea i forgot to mention that... hehe the stuff that did the best...
 
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