White smoke.... is it normal? - Ford Powerstroke Diesel Forum
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Old 11-03-2006, 06:38 AM
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White smoke.... is it normal?

I have an 06 KR and it has been blowing some white smoke when it is at idle until the temps come up. This only happens on really cold mornings (not a lot of those here in Houston), and promptly goes away after the water temp needle starts to come up to regular temp. I only started seeing this after I installed a quad xzillaraider. I usually run the truck on the low setting, and up it to the mid setting on occasion. I run it on the high setting when I show a friend what the ps can do, but this is very rare. The truck has around 6K miles on it, and has a catless turbo back magnaflow exhaust. No other mods, and there is no drop in oil level (that I can see).

Marc had posted that this could be an egr cooler issue in someone's other thread. Marc, feel free to comment here as well.
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Old 11-03-2006, 07:00 AM
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Bumping this back up for ya!
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Old 11-03-2006, 07:14 AM
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with a chip, programmer, or module.....i wouldnt worry about a bit of white smoke on start up. If it was an egr cooler, it would be blowing white smoke all the time!! Like a freight train
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Old 11-03-2006, 08:34 AM
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Quote:
Originally Posted by Marc View Post
with a chip, programmer, or module.....i wouldnt worry about a bit of white smoke on start up. If it was an egr cooler, it would be blowing white smoke all the time!! Like a freight train
That is kinda what I thought. My plan is to wait until it is a cold start again, and see if the white smoke appears. If it does, then I will proceed to try a cold start with the module turned off. If it doesn't do it, then I should be good. If it does it with the module off, then I'll be stumped.

I will report my findings here, so that others can learn from my 'testing'. Thanks.
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Old 11-03-2006, 09:14 AM
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It was 31 here this morning. When I fired it up, plenty of white smoke (actually looked more like the steam comming from gasser tailpipes on a cold morning). Let it warm enough to melt the lite coating of ice on the windshield and by then the exhaust had cleared up. One morning last year, I left a trail of white smoke (and this was smoke). Talked to my diesel tech at my dealer and he told me it was unburnt fuel and that on cold mornings it is common if you don't let the engine warm for a couple minutes before you take off.
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Old 11-03-2006, 01:06 PM
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Quote:
Originally Posted by 2006KR View Post
It was 31 here this morning. When I fired it up, plenty of white smoke (actually looked more like the steam comming from gasser tailpipes on a cold morning). Let it warm enough to melt the lite coating of ice on the windshield and by then the exhaust had cleared up. One morning last year, I left a trail of white smoke (and this was smoke). Talked to my diesel tech at my dealer and he told me it was unburnt fuel and that on cold mornings it is common if you don't let the engine warm for a couple minutes before you take off.
Good info!!! I was thinking that the turbo had blown an oil seal and when the turbo had finally heated up, it closed off the leak.

It is good to know that this happens to other KR owners as well!
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Old 11-03-2006, 02:09 PM
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Mine neveer does this...it blowes steam but not smoke. And I don't let it warm up more than a minute...it won't warm up at idle when its cold out....i have to just get out and drive it before the temp guage goes up any.
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Old 11-14-2006, 05:56 AM
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the white smoke isnt a problem. i own an 02 stock f350 and an 03, 7.3, with an sct programer aem bruteforce intake end 4 inch turbo back exhaust and on really cold days they both blow out white smoke at startup and the dealership says its normal
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Old 12-10-2006, 04:25 AM
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Send a message via Yahoo to blueharley@cfl.rr.com
Mine did that at first didnt think anything about it then on the way back from strugis the cooler let loose the other thing could be u have a head gasket leaking coolant in the clyinder when shut down then when its running check see if there is any undo pressure in your coolant system resevior they had a problem with head gaskets Too among other things
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Old 12-14-2006, 02:15 PM
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Quote:
Originally Posted by blueharley@cfl.rr.com View Post
Mine did that at first didnt think anything about it then on the way back from strugis the cooler let loose the other thing could be u have a head gasket leaking coolant in the clyinder when shut down then when its running check see if there is any undo pressure in your coolant system resevior they had a problem with head gaskets Too among other things
Well I have been keeping an eye on my coolant level, and it is still topped off. The white smoke is just that, smoke. I got out and put my hand in front of the tail pipe, and noticed no condensation forming.

To check for undo pressure, would I just take the coolant overflow cap off, and check there, or what? Thanks.
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