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Injector seals in!!

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Old Oct 16, 2011 | 02:58 PM
  #16  
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Originally Posted by powerstroker100
Did you replace your glowplugs while you had the valvecovers off
?

no i did not i replaced the glow plugs i changed them last winter so i just ohm checked them and they were all good.
 
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Old Oct 16, 2011 | 03:28 PM
  #17  
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Oh ok,

Well just drove me truck and it smokes under load and at idle above 2k maybe I have a bad injector?

Can someone start giving me some things to check?
 
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Old Oct 16, 2011 | 03:33 PM
  #18  
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you can ohm out the injectors
 
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Old Oct 16, 2011 | 03:35 PM
  #19  
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https://www.ford-trucks.com/forums/1...ke-help-2.html

first post link
 
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Old Oct 16, 2011 | 03:45 PM
  #20  
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Originally Posted by timmyboy76
thanks, I'm not sure if injectors themselves can cause oil consumption but I might aswell check them, still no oil in my tailpipe so I think the turbo is fine.

rings I think are ok

what about valve seals are they know to go bad on these motors, mine only has 155k

can anyone give me some stuff to check, I used alliant injector o rings from riffraff not the crap from local auto part stores and theres about 400 miles on the truck since the injector o ring replacement
 
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Old Oct 16, 2011 | 05:36 PM
  #21  
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Originally Posted by powerstroker100
thanks, I'm not sure if injectors themselves can cause oil consumption but I might aswell check them, still no oil in my tailpipe so I think the turbo is fine.

rings I think are ok

what about valve seals are they know to go bad on these motors, mine only has 155k

can anyone give me some stuff to check, I used alliant injector o rings from riffraff not the crap from local auto part stores and theres about 400 miles on the truck since the injector o ring replacement
Did you lube them with oil before you installed the injector in the head?
 
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Old Oct 16, 2011 | 05:41 PM
  #22  
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Originally Posted by Riffraff Performance
Did you lube them with oil before you installed the injector in the head?
Yes I liberally put oil all over when installing the o rings and before I put them back into the head
 
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Old Oct 16, 2011 | 06:19 PM
  #23  
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Well after some searching on powerstroke.org in one thread the guy had injectors that were failing internally and burning the oil

Is this possible? If so there's really no way to tell which one is there? I don't have the money to replace all 8, if I have to I would like to order from riffraff diesel do they sell good stock injectors?
 
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Old Oct 16, 2011 | 08:56 PM
  #24  
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I say yes. Alot of people buy from them and I haven't heard a complaint. He has them tested, cleaned and rebuilt if you ask. Great customer service, I'd buy one or a set.
Chet
 
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Old Oct 16, 2011 | 09:15 PM
  #25  
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ok so before i spend over a grand trying to diagnose my oil consumption, is there anyone that thinks this could be my problem after reading through my thread? that the injectors are leaking internally and burning the oil?
 
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Old Oct 16, 2011 | 09:43 PM
  #26  
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Have you ever checked for blow by? Why a grand trying to diagnose? You could have the injectors cleaned and tested, then if there is an issue that can go towards your choice?

Riffraff Diesel: 7.3L HEUI Injector Flow Testing
 
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Old Oct 16, 2011 | 09:52 PM
  #27  
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Originally Posted by BigAlsPSD
Have you ever checked for blow by? Why a grand trying to diagnose? You could have the injectors cleaned and tested, then if there is an issue that can go towards your choice?

Riffraff Diesel: 7.3L HEUI Injector Flow Testing
the extent of my blowby testing was doing the oil fill cap trick and it just sat there until finally vibrating off

1+ grand = cost of 8 new injectors

I dont really have the option of getting my injectors cleaned/ flow tested, I need my truck every single day, I have no one to give me ride and no one to borrow a vehicle for a few days, plus my work schedule is awfull

is there some type of test ford could do to tell me if one of them is failed internally? like with one of their scanners or computer software
 
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Old Oct 16, 2011 | 10:18 PM
  #28  
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Is the truck starting ok? Is the truck running ok? It's just consuming some oil and giving a little smoke when cold right? 154k miles! Have you considered that it could have excessive guide wear and bad seals? Also takea good look at each exhaust port use an inspection mirror, look around the manifold to cyl. Head flange for oil residue if you see any residue coming out of a port than you have a problem with that cyl. Be it valve guide seals or rings or burnt piston, that's where you will need to look. But what I'm trying to say mainly is that some times as our engines get older and wear they will start to consume oil and smoke a little when cold, if it's manta was kept up perfectly it does not happen till much higher mileage! But skip a few oil changes run with the air box lid not seated it will happen sooner! Your engine may be just old and acting it's age! I hope this makes sense? Monty's looking at me like I'm nuts! Oh well....
Jim & fat Monty
 
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Old Oct 16, 2011 | 10:25 PM
  #29  
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Originally Posted by hotroddsl
Is the truck starting ok? Is the truck running ok? It's just consuming some oil and giving a little smoke when cold right? 154k miles! Have you considered that it could have excessive guide wear and bad seals? Also takea good look at each exhaust port use an inspection mirror, look around the manifold to cyl. Head flange for oil residue if you see any residue coming out of a port than you have a problem with that cyl. Be it valve guide seals or rings or burnt piston, that's where you will need to look. But what I'm trying to say mainly is that some times as our engines get older and wear they will start to consume oil and smoke a little when cold, if it's manta was kept up perfectly it does not happen till much higher mileage! But skip a few oil changes run with the air box lid not seated it will happen sooner! Your engine may be just old and acting it's age! I hope this makes sense? Monty's looking at me like I'm nuts! Oh well....
Jim & fat Monty
truck runs decent, starts a little slow but thats because poor batteries, not only does it smoke on cold start but once the rpms get above 2400ish it will blow blue smoke, even did this after a 100 mile trip I had to take yesterday

154k should be nothing for these engines, but I understand where your coming from with the poor maintenance, a low mile engine thats abused really acts like one with high miles
 
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Old Oct 16, 2011 | 10:29 PM
  #30  
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I'd defiantly look around the exh ports it shouldn't be tossing smoke on warm eng with high rpm! You may find a real oily port! Post back what you find!
Jim & fat Monty
 
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