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Discussion Starter #1
hey guys, i have a question for you 7.3 gurus...

my dads friends 95 e350 van is having a serious oil issue, to my knowledge and his lol he had the valve cover gasket replaced on the passenger side, he said the injector harness goes through it and was cracked so they replaced the gasket and harness.

he called me less then a month ago and says the van runs like crap can you look at it, when i get there i checked the dipstick and it wasnt even touching so i filled it with oil 6 QTs low! after that the van ran awesome. i also flushed the coolant out because the upper rad hose wasnt building pressure. after the flush it was good.

he called me today and said he had to add another 4 QTs of oil. he hasnt even been through a full tank of fuel and lost 4 qts.

no oil drips or anything, no oil in the water. he gets a slight blue start up and then clears up after maybe 5 seconds. however the exhaust is so strong its burning your eyes even standing in the front of the van.

im not really sure where the oil is going and i would like to help him. but dont have the slightest idea where the oil could be going

my guess and what i am going to do tomorrow is check the turbo, im having a feeling that could be the culprit. maybe he isnt blowing smoke at idle but while driving with a load it is.

if any of you guys have any ideas or what i should be looking at please let me know. thanks in advance
 

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yea check the ebpv,its notorious for leaking.mine was leaking so i just unplugged it and havent had a prob since.is it smoking more then normal while driving?when i first read it i thought oil cooler but if that was the case he would know it.its being burned or lost somewhere,eventually you will find it. goodluck
brian
 

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Discussion Starter #4
yea check the ebpv,its notorious for leaking.mine was leaking so i just unplugged it and havent had a prob since.is it smoking more then normal while driving?when i first read it i thought oil cooler but if that was the case he would know it.its being burned or lost somewhere,eventually you will find it. goodluck
brian
it doesnt smoke at idle at all and i havent driven it yet to see how it does on the road.

i will check it tomorrow and see what i can find, i appreciate your help man!
 

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Discussion Starter #5
you stuck your face in the exhaust pipe?


is there oil in the intake side of the turbo?
im going to check that tomorrow, i was thinking maybe bad turbo seals or something similar.

any of you guys think i should check something else out
 

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Beach Bum
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im going to check that tomorrow, i was thinking maybe bad turbo seals or something similar.

any of you guys think i should check something else out
well i was thinkin breather dumpin oil into the intake.


also check to see if theres oil in the valley even tho you said it doesnt drip. and the under body for oil smears.
 

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Discussion Starter #7
breather? CCV? i was thinking maybe it was clogged or something.

i want to help him out but its such a pita to work on that things, in the front especially with the 2ft hood lol
 

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Coal Rolling = Posing
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The crank case vent CCV, vents right into the intake, pre turbo on pickups. Don't know about vans for sure, but I don't imagine they're any different. They won't push 4 quarts of oil in under a tank though. Not without other issues that would probably be obvious.

I'd say you're on track with checkin the turbo out though. You'll find some oil in the intake, don't let that scare you. If you find any in the downpipe, if you can even get to it, you found your problem.

Check the turbo for in and out and up and down play. Should be minimal up and down, if any. No in and out.
 

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Discussion Starter #10
The crank case vent CCV, vents right into the intake, pre turbo on pickups. Don't know about vans for sure, but I don't imagine they're any different. They won't push 4 quarts of oil in under a tank though. Not without other issues that would probably be obvious.

I'd say you're on track with checkin the turbo out though. You'll find some oil in the intake, don't let that scare you. If you find any in the downpipe, if you can even get to it, you found your problem.

Check the turbo for in and out and up and down play. Should be minimal up and down, if any. No in and out.
thanks for the info man, i would like to check the turbo, 4qts is alot for sure, it doesnt smoke at idle which is weird

again, the truck runs good just looses oil, im going to play with it tomorrow and hopefully i can find a problem. thank again guys!
 

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Coal Rolling = Posing
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Drive it and make sure it's actually runnin good. We're strugglin with a truck right now that seems ok until you start to get on it.
 

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Discussion Starter #12
Drive it and make sure it's actually runnin good. We're strugglin with a truck right now that seems ok until you start to get on it.
this van is filled to the top with tools, its got like a camper top on it as well so he could put more stuff in it :hehe:

honestly the van is probably struggling just from the weight it has to carry and hold everyday.
 

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Coal Rolling = Posing
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Lol, well, if it has a CAT and a muffler still on it, it could be preventing leakin oil from exiting the tailpipe, but probably not 4 quarts. I'm willin to bet you'll find oil under that van somewhere.
 

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Discussion Starter #14
i would imagine though there would be oil say in the driveway though no?
 

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Coal Rolling = Posing
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Well, I dunno. If it don't leak 'til something is pressurized, or until oil reaches the top of the motor maybe not.

I'd think there'd be oil in the driveway if it's usin that much though, and not smokin like a train.
 

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a truck
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Sounds a whole lot to me like the injector o-rings are bad, I had the same issue you are describing two years ago and thats what it was
 

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What color is the fuel in the fuel filter housing? If it's black it's time for new injector o-rings.
 

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Discussion Starter #19
Sounds a whole lot to me like the injector o-rings are bad, I had the same issue you are describing two years ago and thats what it was
really? wow, hopefully tomorrow ill be looking at this thing. i wasnt around today to look at it. ill def check the fuel filter and see what it looks like
 

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a truck
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really? wow, hopefully tomorrow ill be looking at this thing. i wasnt around today to look at it. ill def check the fuel filter and see what it looks like
yep I burned through well over 4 quarts in 300 miles, definitey check the fuel filter and with the smell out of the tailpipe and all Id bet that may be the probem
 
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