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Old 09-15-2013, 06:26 PM
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White smoke at random

So whine driving at random. Doesn't do it often, usually right before, or at re beginning of regen. It will smoke. White smoke. Kinda like a gasser when it's cold out. But it does it at all temps but only does it for 30-45 seconds then stops. Truck hasn't been deleted yet. Still bone stock. What's going on?

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Old 09-15-2013, 11:13 PM
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Bunp

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Old 09-16-2013, 10:26 AM
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Bump

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Old 09-16-2013, 12:00 PM
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Mine does that in regen but only when engine isn't up to temp.
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Old 09-16-2013, 01:32 PM
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Mine does it using during regen, but usually after it sits at idle

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Old 09-20-2013, 09:44 AM
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Mine does the same thing all the time. Could be driving down the interstate and sporadically does it. Only for about a mile or so then stops. Looks like nobody else has an answer to it either.
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Old 09-20-2013, 10:12 AM
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Mine is exactly what yours does. And apparently not

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Old 09-21-2013, 05:54 AM
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My truck is tuned but had the same problem with intermittent white smoke. Turned out it was a hole in my inter cooler that would allow H2O to build up and under hard acceleration (merging) I would spew white smoke for a few seconds. Dunno but might help?


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Old 09-21-2013, 12:48 PM
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There is a tsb for white smoke involving the cac. Ill try and find it
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Old 09-21-2013, 02:50 PM
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Most of these trucks smoke to some degree when the regeneration first starts because the fuel is being injected late after TDC and the system has not built enough heat to fully ignite the diesel fuel that is being added to burn out the soot from the particulate filter. The "White" smoke is from cold incomplete combustion of the diesel fuel which condensates after being compressed but hasn't burned. If you stand by an exhaust pipe when its belching condensated diesel "white smoke" it will make your eyes water & smells very acrid. This is in contrast to steam exiting an exhaust pipe from a coolant leak which disapates quickly,& may smell a little like antifreeze but thats about it.
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