Train Whistlin' Ex driver
Join Date: Dec 2017
Location: Montgomery, TX
Re: Advice needed on possible stiction/cold start issue
I can't say if it's stiction or not (but is seems we're all paranoid about it), but I can say that mine does the same thing. When it gets below 30 or so (cold for the south) there will be some whitish smoke out the exhaust for maybe a minute, but it's all clear by the time the high idle kicks on. The idle is maybe a touch rougher than normal at first, but evens out within about 30 seconds. Check that the smoke smells of diesel and not coolant, and if it is running 15w40 may switch out to 5w-40, I know mine likes it better in the cold. I suppose you could try exchanging some oil for archoil and see if it helps.
2003 Excursion 6.0, 2004 front cover, Stock head bolts, unknown EGR delete, 4" Diamond Eye turbo back exhaust, Magnaflow 60110 catalytic converter (makes the '03 whistle livable), Hellwig Sway bar, Roadmaster Active Suspension, Gearhead tunes - 8k tow or SRL depending on my level of 6.0 paranoia, unknown work by previous owners...