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Heavy white smoke when running at high speed

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Old 11-29-2008, 06:27 PM
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Heavy white smoke when running at high speed

I have a 2000 F250 - 7.3 manual tranny. Today I was driving home to Ft. Lauderdale from my hunting camp in Georgia. When we hit Jacksonville, white smoke started coming out of the exhaust. It got thicker as we kept driving. Around West Palm Beach, while my son was driving - the engine started to shutter a bit while he mashed down the accelerator to the floor. Finally, he pulled over and it stalled out. It was not running too hot and the oil level was fine. I didnt check the coolant level. I recently replaced the HPOP and the regulator. Any thoughts.....?????
 
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Old 11-29-2008, 07:42 PM
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Welcome to FTE. My thought would have been a blown seal in the turbo, but since he kept driving it until it stalled, that would have meant little to no oil showing on the dipstick.

How far was the truck driven after it started smoking until it finally died?
 
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Old 11-29-2008, 07:45 PM
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White smoke is usually either poor compression or coolant entering the combustion chamber(s).
I'd check the coolant level, any other symptoms?
 
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Old 11-29-2008, 08:06 PM
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Originally Posted by F350-6
.

How far was the truck driven after it started smoking until it finally died?
bout 285 mi best I recall
 
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Old 11-29-2008, 08:38 PM
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I would have thought turbo seal blown out as well and a low oil level causing the stalling, but the OP says the oil level was fine, so that almost rules out that idea. I would be checking the coolant level.
 
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Old 11-29-2008, 08:50 PM
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Welcome Buck! (where are your guys' manners???)

Anyways... Have you had your CPS (cam positioning sensor) changed out for the recall? If so what color is the one that is in there?
 
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Old 11-30-2008, 09:36 PM
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Thanks for the thoughts. As I said - I did not check the coolant level. Come to think of it, when I pulled over to check the smoke, it smelled like hot radiator water/coolant. I am guessing its coolant in the fuel.
 
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Old 11-30-2008, 09:48 PM
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IIRC, another reason to lose coolant, aside from the head gasket, is a cracked injector cup.
 
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Old 12-01-2008, 11:20 AM
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Typically, and there's always the rare exception, because the fuel pressure is higher than the coolant pressure a cracked injector cup will allow fuel to get in the coolant rather than coolant in the cylinder. Had a cracked cup years ago. Had no smoke but fuel in coolant. You could smell fuel in the degas bottle.
 
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Old 12-01-2008, 11:29 AM
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Thank you Robin. I never dealt with that before, so I wasn't 100% sure.
 
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Old 12-01-2008, 11:49 AM
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Originally Posted by jtharvey
Thank you Robin. I never dealt with that before, so I wasn't 100% sure.
Nothing is 100% sure, that's why I said "there's always the rare exception".
 
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Old 12-07-2008, 09:18 PM
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Okay guys - here is the answer - the turbo is shot and the engine was injecting oil into the exhause which when burned caused the heavy white smoke to come out of the exhaust. New turbo - about $1,100.00.
 
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Old 12-07-2008, 09:26 PM
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$1,100 for a new stock turbo?? kinda high isnt it?
 
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Old 12-07-2008, 09:28 PM
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is that installed?
 
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Old 12-07-2008, 09:31 PM
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Thanks for following up and telling us what the problem turned out to be. Strange the oil level was fine after burning that much oil for so long. I would have thought the oil would have been close to empty. That's something to keep in mind the next time we read something like this.
 


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