Used 1 gallon Oil on 400 mile trip - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 02-19-2013, 04:46 AM Thread Starter
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Used 1 gallon Oil on 400 mile trip

Hey stumped:

I had to use a gallon of oil on a 400 mile trip. She used to do this years ago but then it went away. Now it's back and worse.

-I'm at the end of an oil change so it's due, 3500 miles on this oil. Thinking that Rotella may be too foamy like everyone keeps telling me. And it's burning up.

-no oil in filter, no leaks
-seems to run fine. Until it bogs down when she gets low on oil and then shuts off. Almost stranded on highway. Luckily I had extra to make it home.

oil guage on dash (low pressure pump, i think) looks low at 70mph. It's always been low range. But lower in the "normal."

Any step by steps on diagnosing anyone know of? Couldn't find service bulletin.

Thanks bros.




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post #2 of 9 Old 02-19-2013, 05:01 AM Thread Starter
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Used 1 gallon Oil on 400 mile trip

Also. I gotta say.

This trip almost made me broke! The fuel mileage was scary. Really scary!
I don't know if I can afford to drive her out of town anymore. Sad.

Just did fuel lift pump, cleaned fpr screen, fpr o-ring. I had to smash the new o-ring Into screen hole. Maybe it was too big. It fit tight though. Idk. Loss of words on fuel mileage. Considering veggie oil.


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post #3 of 9 Old 02-19-2013, 06:55 AM
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The only places I can think of that oil can escape without being noticed is injector o rings or thru the turbo, I would pull my fuel filter and see how the fuel looks in there if its your injector o rings there may be some evidence of motor oil.

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Originally Posted by madpowerstroke View Post
Try spinning a turbo with compressed air and hit it with diesel clean as you inhale at the turbo outlet, I call it a turbo bong.........that's some good stuff, makes you come up with all kinds of crazy ideas.


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post #4 of 9 Old 02-19-2013, 08:41 AM
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Quote:
Originally Posted by pittdiesel View Post
Also. I gotta say.

This trip almost made me broke! The fuel mileage was scary. Really scary!
I don't know if I can afford to drive her out of town anymore. Sad.

Just did fuel lift pump, cleaned fpr screen, fpr o-ring. I had to smash the new o-ring Into screen hole. Maybe it was too big. It fit tight though. Idk. Loss of words on fuel mileage. Considering veggie oil.


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Might be part of the problem. O-rings should be snug, with a slight interference fit. If you have to force it, it's the wrong size or there is another problem.
What happened "years ago" to fix the problem? Was it actually repaired or did the problem just go away?
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post #5 of 9 Old 02-19-2013, 08:53 AM Thread Starter
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Used 1 gallon Oil on 400 mile trip

Problem just went away kinda. Always have had to put oil in it since I hit about 175,000.

Didn't drive for two years. In process of rebuilding. Runs great. But I don't remember ever having to use that much. No visible leak. No blue smoke. No oil in fuel bowl.

Yeah I had to force that o-ring in. I'm gonna look for the replacement screen and Oring now.

Doing o-rings on injectors difficult? Is there a step by step. Really nervous to screw something up. Fearless with everything else. Except electrical and internal engine stuff.


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post #6 of 9 Old 02-20-2013, 11:42 AM
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There is a really good Youtube video of a guy doing the orings. Looks pretty straight forward and relatively simple. I'm not a diesel tech by any stretch but am a pretty decent mechanic and the whole process doesn't scare me... Much...
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post #7 of 9 Old 02-20-2013, 11:45 AM
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The video is actually in four parts. This:
is the link to the first part. It isn't done really fast but he does a pretty decent job of talking about the exact steps and tools he uses.
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post #8 of 9 Old 02-20-2013, 01:28 PM Thread Starter
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Used 1 gallon Oil on 400 mile trip

Awsome. Thanks man. Watching it now. I wonder what the best way is to determine this is problem.


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post #9 of 9 Old 02-20-2013, 04:58 PM
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Not sure other than possibly age. I'm planning mine because they have about 200k on them and, since I'm doing the valve cover gaskets and the wiring harnesses under them anyway...
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