White Smoke at Idle? - Ford Powerstroke Diesel Forum
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Old 04-06-2009, 04:18 PM
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White Smoke at Idle?

I just got my truck back from the dealer this morning, head studs, a welded off egr cooler, and uppipe with scoop removed. The truck has been smoking worse anbd worse as the day goes on. From what I can see is exclusively at idle, in gear holding brake, or pressed against a curb. The smoke is white with what I think is a tinge of blue, and I am almost positive it doesnt smell like burnt coolant.


I am just praying that its not the EGR cooler I welded for the dealer thats leaking. I connected a pressure gauge to coolant bottle and its not rising in pressure, so I hope thats a good sign. that hopefully its not the egr cooler or headgaskets.


Possible Oring in Turbo or Injector?
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Old 04-06-2009, 05:18 PM
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did your egr blow is that why you welded it shut cause if it was mine did the same thing for about a day and now it cleared up
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Old 04-06-2009, 05:21 PM
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Diesel Freak had the same problem I think and I think it had something to do with his turbo. Like a seal went out.
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Old 04-06-2009, 06:00 PM
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Quote:
Originally Posted by 2005F250 View Post
Diesel Freak had the same problem I think and I think it had something to do with his turbo. Like a seal went out.
I emailed DieselFreak. the EGR cooler is welded, and pressure tested, but not hot and pressure tested. Its going back to dealer in am to find out what is going on.
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Old 04-06-2009, 06:28 PM
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YUP,,,, I went thru the same situation but mine seemed to smoke bad after the first 2-5 miles and cleared up again. Finally swapped out turbo and all is still clear
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Old 04-06-2009, 07:26 PM
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Does it have a misfire? If the white smoke isnt coolant its unburnt fuel probly from an injector... And we all know what causes blue smoke.
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Old 04-06-2009, 07:41 PM
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Truck runs good with no codes, actually runs AMAZING with the Tune I just got today, CANNOT keep the tires planted!!! I have a coolant gauge that has a pump, so I can pressurize the coolant system, to cap pressure, and it doesnt seem to change the amount of smoke that is produced.

It barely smokes at idle when in park, but when I put the tires up to a curb, it billows pretty good.

DieselFreak, I would say its the same symptoms, that is doesnt do it when the engine is cold, even if I pressurize the bottle, but starts after a few miles once it heats up. It doesnt seem to go away like you said yours did though, after a while?
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Old 04-06-2009, 08:30 PM
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You have an injector(or several) that is over fueling. Get this fixxed now!!! The fuel can and will melt the piston. If you keep driving it you will need a new engine. I have replaced several engines now that the piston got welded to the cylinder wall. On some of the luckyer ones I just had to replace the injector. I have had a few that the extra fuel clogged up the cat and if you had just had an egr cooler fail the coolant in the exhauts would only make this more likly to happen. Sorry for the long post but I hate seeing driver neglect kill an engine. Seen it to many times in my short time as a tech.
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Old 04-07-2009, 03:39 AM
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i would think more along the lines of a turbo myself , only smoking at idle , any other throtle there is enough heat to burn it off
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Old 04-07-2009, 12:17 PM
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Got the truck back to the dealer this AM and waiting for a call to see what they found.

The truck besides the smoke at idle runs awesome, cranks great, starts and idles smooth, and even with stock tune runs really good. Great throttle response I think because of the upipe scoop removed, and EGR welded closed.
With the Tune I got from the performance shop in SA, runs the PIZZ out of my other tunes!!!
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