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7.3 Hard Starting / Pours White Smoke
Hopefully, this is in the correct area...
I'm posting this because I saw a lot of "problems" and possible solutions, but very few post "this fixed it" after they find their solution.
I have a 2001 Excursion w/7.3 and when the temperature dropped, it started very hard, if at all. It poured smoke from the exhaust.
I had fault codes: P0678-P0671 and P1211.
I could NOT believe that ALL of the Glow Plug's on both banks went bad at one time, so I replaced the Glow Plug Control Module (YC3Z12BJ33AA) which seemed like the main thing that could affect all GP's.
My fault codes were cleared and all seems well.
Thanks for everybody that posted info on the 7.3, it definitely helped.