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Old 01-11-2007, 07:30 AM
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Internal oil leak

I am looking for an oil leak that might be on the inside of the engine. What is the likely hood that oil could leak past the injector orings? Over the few tanks of fuel the milage has gone down, and I am loosing oil some ware. I have not been able to find it any ware and this is why I am think this way. I have washed the engine down and it is clean, but still can not find any leaks but it is not in the crankcase. Is there any way for certain that I can do the determine of it is the injector o rings. If anyone has any ideas please let me know. This problem is blowing my mind away. The truck is running great I have no power loss or anything like that. If someone feel like that the engine is going bad please let me know. I have 190,000 miles on the truck, and like I said it is running like a top. I just need some help with this thanks Nick
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Old 01-11-2007, 07:42 AM
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Internal oil leak

Hmmmm.... How much oil are we talking here, 15 quarts or just a quart or two. Need more info to help you out buddy.
Year, Engine, Truck info. How do you know your not burning the oil as in the engine does have 190,000 miles on it maybe just using a quart or two of oil now. I can't really help you out with out more info. But here is somethings to check.

Air Cooler tubes for blow by, Engine coolant possible leak in the oil cooler and the oil is leaking into the coolant, Exhaust possible oil is being dumped out the exhaust, it is possible that the injector O-rings are leaking oil too and the engine is burning the oil.

Give us some more info about the truck and we can help you out some more.
Like how much oil is being used or is mising compared to the mileage driven since oil was replaced. Engine type, year and model of truck. Then we can find a better idea of where this oil is going.
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Old 01-11-2007, 07:42 AM
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may be o-rings ,what ive run into is the oil is actually going thru injector ,wil ru fine but loses oil ,will probably have to remove all injectors and have them tested , there is a rotunda tool that can be used to pressurize injetors with shop air and is oil runs out of spil spouts ,oil is going thru injectors, need more info on tools let me know , only people i know that have them are the dealers around here
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Old 01-11-2007, 12:40 PM
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leak

Hey guys thanks for the start of the help. I have a 96 F-250 4X4 crew cab 5 spd. I just changed the oil and I have 300 miles on this chnage and i am down one quart. It is funny because it looses oil sometimes and not other times. It will go fine with no loss like a oil change then the next change it will loose a qart every 300 miles. I have other times ware it goes 2000 miles with no loss, but then will loose 3 or more quarts in the 1000 miles of that oil change. Like i sated before the truck runs like a top. My fuel millage is down some not alot but noticable. I am going to try to put the oil leak die in the engine to see may be the leak is external and i have not found it yet. Thanks for the help. Nick
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Old 01-11-2007, 12:48 PM
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Internal oil leak

Sounds to me more like depending on how you drive it. Your burning oil not leaking it. If you are doing stop and go city driving alot then your getting less oil loss. If your haulin down the highway then your getting more oil loss. I think your just buring the oil. But that is what I think.
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Old 01-14-2007, 03:05 PM
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BigCounty,

I just want to add something that might be important. I removed the clip that controls the EBPV. I noticed the oil leak when I removed the connection to the engine. I am wondering if it could be the problem. Let me know what you think. Thanks again for your help with the problem. I just thought about this today. I am going to run it by the Ford dealer to see what they say to see if this fits the problem.
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