Join Date: Feb 2009
Location: Tupelo, MS
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I would replace/rebuild both -(all three?) - injectors. One of them is flooding fuel into the chamber.
Black smoke: Fuel
Blue Smoke: Oil
Pull them all out. Take them to a diesel shop for testing and rebuild. It's a fairly easy job getting them out and then back in.
Not sure why this problem doesn't appear with no load, but it doesn't.
Hopefully, one of them will not check out, because if they all check out then you have a REAL problem because you have at least one cylinder that isn't firing properly.
When you come to a "Y" in the road, take it....Yogi Berra