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1994.5 - 1997 7.3L Power Stroke Diesel  

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Old Jun 19, 2018 | 04:01 AM
  #1  
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Need help

I have I have a 96 Ford F-350 7.3l Powerstroke Centron Edition and I am losing oil like crazy it is not burning it and it is not leaking it I drove 18 miles and loss two and a half gallons of oil can someone please tell me where it is going
 
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Old Jun 19, 2018 | 04:13 AM
  #2  
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There is an extra subforum for your engine where you might attract more notice:
1994.5 - 1997 7.3L Power Stroke Diesel

Sorry I can't offer any specific help.
This particular forum is for 99-16 Super Duty pickups.
 
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Old Jun 19, 2018 | 07:11 AM
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Injector cups? Copper injector seals or orings? Turbo seals?

If it’s not leaking externally, it’s burning.

No magic involved.
 
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Old Jun 19, 2018 | 08:36 AM
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Head gasket, cracked block or manifold, a seal.. Check coolant for presence of oil..

That much oil went somewhere..... There are only a few places where that much oil could go... 2.5 gallons? -or- 2.5 quarts?
 
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Old Jun 19, 2018 | 09:04 AM
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Originally Posted by Batman7777
Head gasket, cracked block or manifold, a seal.. Check coolant for presence of oil..

That much oil went somewhere..... There are only a few places where that much oil could go... 2.5 gallons? -or- 2.5 quarts?
2.5 gallons
 
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Old Jun 19, 2018 | 09:29 AM
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Mystery... I'm assuming you added 2.5 gallons (10 quarts) and now it is gone... None on the ground... Not massively burning it...

Dip stick is dry... Oil in the block can transfer over to coolant or vice versa with a crack or blown head gasket... There might be a sludge area in the oil pan... but it's not that big...Bed pan?

7.3L can have a two piece oil pan (Old fix)... The 7.3L takes 15 quarts...13 in the crank case, and 2 quarts in the filter
 
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Old Jun 19, 2018 | 09:46 AM
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Moved to 1994.5 - 1997 7.3L Power Stroke Diesel forum.
 
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Old Jun 19, 2018 | 12:45 PM
  #8  
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Stop kidding yourself. If it is not leaking (trust me, unless you have resealed it all, you are leaking it too), it is being consumed. Same as burning it. Using it.

My guess you have a bad engine to use that much oil. Run a compression test before you waste any time on the thing. If the results are decent or good, start with injector orings. Turbo pedestal and seals. Dipstick adapter. Valve stem seals if you feel like really getting into it.

Even my beat down engine was around 500mi/qt before I did dipstick adapter, injector orings, and stem seals. Hopefully I can nurse it to 1000mi/qt.
 
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Old Jun 19, 2018 | 01:22 PM
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Sounds like your injector o ring went south. Diesel engines burn oil really efficiently without blue smoke being present.
 
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Old Jun 19, 2018 | 01:25 PM
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Almost forgot, a quick way to check if your injector O rings are bad is by checking your fuel filter, if it's black or the fuel looks black or a dark blue
 
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Old Jun 19, 2018 | 01:44 PM
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Wow all those useless responses. Glad at least Adam got in here. Sheesh delete this thread and start over.
injector orings or turbo seals.
Pull the fuel filter. It's prob black as coal.

Sheesh
 
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Old Jun 19, 2018 | 02:26 PM
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Its about time you got on here Aaron to set things straight! Grandkids are driving me nuts and I had to take a break. lol
 
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Old Jun 19, 2018 | 03:10 PM
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Wow. Lol. Lots of people that dont know the 7.3L up there. Injector o-rings are my first suspect. I've had them go through 4 gallons in less than 5 miles before... it would be pumping all the oil into the fuel system, so as Aaron said.. Check the fuel filter and it'll probably be black like the engine oil...
 
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