oil loss of quart per 100mi cannot find! - Ford Powerstroke Diesel Forum
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Old 02-23-2013, 03:54 AM
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oil loss of quart per 100mi cannot find!

I am lossing a battle with oil consumption and hope someone has a new direction for me to go. Every 100mi I lose a quart of oil. there is a little in the valley and maybe a drop or two when the vehicle sits overnight. Had it to a garage that is very good and their stumped as well. Doubt its burning that much because of no new smoke patterns? Help if able before I go crazy! Pete p
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Old 02-23-2013, 06:23 AM
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You forgot to post the Yr/Mdl/Engine of your truck
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Old 02-23-2013, 12:57 PM
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Ah yes I did neglect those...Its an 02 F-350 dually with a 7.3 Thanks!
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Old 02-23-2013, 02:55 PM
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These engines can burn a lot of oil and still not smoke. Not saying that's your issue, I'm just saying that I would believe its possible to burn a quart ever 100 miles and not have much noticeable smoke. How sudden of an issue is this? did it just happen one day?
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Old 02-23-2013, 06:58 PM
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injector o rings ,the hp oil is pushed past the o rings into the fuel and burned
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Old 02-23-2013, 10:39 PM
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check your coolent your oil might be going there. if your oil is going into your coolent you have a bad oil cooler or your orings in your oil cooler are shot.
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Old 02-24-2013, 02:13 AM
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Thanks guys for the quick response! I will check those areas and post what i have found.
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Old 02-24-2013, 10:00 AM
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Quote:
Originally Posted by greasyF250 View Post
injector o rings ,the hp oil is pushed past the o rings into the fuel and burned
absolutely agree with this possibility. only thing is usually it will smoke blue like a banshee if it is the case.
OP, remove the fuel filter. have a look in that fuel bowl.
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Old 10-23-2013, 03:05 PM
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oil consumption

I'm having the same issue. The truck has 187,000 miles on it. I lost 2 gallons of oil in 2 weeks recently in my engine that never burned a drop in a 6000 mile oil change interval. I replaced my injector orings last week thinking this would solve the problem. I'm still having oil loss. I towed my boat (8k) 100 miles round trip after the oring change and lost 2 quarts of oil. I refilled and so far under normal driving conditions I've lost 1 quart to 100 miles. I have no smoke out the exhaust. No oil in the coolant. I changed the fuel filter and there was no oil in the fuel bowl. I have run a compression test and all cylinders are above 460 psi. The engine runs perfectly fine and makes power. I looked at my turbo and it seemed to have play side to side. estimated to be 1/16th of an inch. My CAC tubes on both sides have some oil pooling in the boots. I was thinking that this may be my problem as running more boost when trailering resulted in twice the oil loss over the same miles.

Sorry for the long post. Anyone have thoughts on this?
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Old 10-23-2013, 03:08 PM
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Is there oil in the intake? Cracked piston maybe?
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