GA CUMMINS CREW PREZ & Captain of the USS FAILBOAT!
Join Date: Dec 2007
Location: ROYSTON, GEORGIA
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could be your fuel jelling up, put some anti-gel in the tank, and when it first cranks up that cold, its gonna blow white smoke, until the engine warms up... diesel is combustable, not explosive, so remember that, when a combustible fuel burns cold, it will not atomize as good, causing fuel to actually blow-by in the exhaust... thus when the temps in the exhaust burn it off, it comes out white, which is usually raw un-burnt fuel... if it happens after the truck warms up its indicative normally of bad injectors... once it warms up the fuel will atomize, and you will have no more white smoke, with it being that cold at night are you plugging your truck in to keep the block warm? that would be a plus, and dont let it idle too long when its cold without the high idle, over time it will cause cylinder washdown... not good for youe engine...
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