The problem started last fall, somewhat suddenly, when the weather turned colder. 2000 yr. vintage, 863 G about 5,000 hrs.. Prior to this it has always been an excellent cold starter down to about minus 30 C, unassisted. Starts & runs OK but continuous bluish smoke with very strong fuel smell. Here is a list of things done in order; - changed fuel filters- no help -replaced lift pump after messing around w/old one for a time- slightly helped -placed a fuel can on top of cab & plumbed fuel line directly to lift pump to eliminate possibility of bad fuel line- no help - removed air filters & ran engine to warm up- no help - removed turbo air inlet hose to check radial runout- no play * turbo seems to stop turning too quickly after shut down, but will confirm with an extra set of hands today! - right in the process of building a fitting to check engine compression thru the glow plug holes - will remove exhaust side of turbo piping today to see if blades may be touching the housing - haven't checked/cleaned PCV as yet but will - last thing that I can think of is to try to confirm injectors functioning properly by removing & cranking over engine. When checking the things that have not been done as yet , I will start engine just to try to find out what was causing the "smoking". If anyone has any other thoughts as to correction of my engines problem PLEASE let me know. BTW- called my local dealer/stealer for a cost on new turbo……$3500.00!! HAHAHAHAA! Everybody needs a good laugh to start the day! (