Little help

[weazel]

So to start off I am no 6.0 expert, but the people in Carson city think I am, they think my super slow truck is the coolest thing ever

But I have a later 6.0 with 69k miles that a dealer want to look at, no codes, idles/runs perfect, but it blows a fairly large cloud of white smoke on take off, it just had the EGR cooler replaced, and I did the test for exhaust gasses in the coolant, it passed, no puking, and to bed honest I'm stumped,


Any help would be great

Thanks, Mike


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[ghohouston]

nothings for sure, but id seperate the downpipe from turbo and check for oil. my moms 6.0 excursion had a turbo seal let go at like 60k miles, and was doing the same thing

 

[weazel]

Dammit, I don't wanna do that


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[slc dzl]

Id put a gauge on the degas bottle and see how much pressure your cooling system is building.
ive seen trucks pass the test strip with blown headgaskets.

 

[ghohouston]

Does it only do it when taking off from a stop?

 

[weazel]

Id put a gauge on the degas bottle and see how much pressure your cooling system is building.
ive seen trucks pass the test strip with blown headgaskets.

Will do

Does it only do it when taking off from a stop?

Yes only from a stop


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[ghohouston]

Like I said, bad turbo seal sounds very plausible

 

[german154]

Mine is doing the same thing...it's the worst on takeoff...but I'm also getting it at idle...would it still some at idle if this is the issue?

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[ghohouston]

it could be, but does your truck still have the egr cooler?

 

[german154]

No mine is deleted...ive noticed that it smoke the most after long trips and when its low rpm...mine is a stick so pulling out from a dead stop it smokes until the turbo lights

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[ghohouston]

is it smoking a different color? did you recently notice it or what?

 

[ghohouston]

and to the o.p., how many miles have you put on the truck since you replaced the egr cooler?

 

[german154]

Truck has about 35k on it since the delete just started doing this about two weeks ago...I have zero performance loss and zero drop in fuel mileage and no codes to go along...this may be unrelated but i think the throttle position is acting up because when cruise is set it runs fine when u turn it off it gives the truck a big surge like u slammed on the brakes, but if you accelerate past where cruise is set then turn it off, no surge. Could a bad throttle position sensor possibly be related?

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[6speedsd]

Shouldn't he be smelling burnt oil out the tailpipe if the seal was bad?


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[weazel]

and to the o.p., how many miles have you put on the truck since you replaced the egr cooler?

Not my truck belongs to a dealer in town, not many I would assume, I would have to check though


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