Lots of smoke when cold...normal?
I know there are lots of posts regarding smoke on cold starts, etc. but I couldn't find any pertaining to my setup. If there is one out there that I didn't see, I apologize in advance.
I drive a 96 2500 with the 5.9 Cummins of course. I have a little less than 192k miles on it. It has been in my family since it was purchased brand new in 1996. It has been very well maintained. With that being said, the only thing I have done to the engine performance wise is new injectors. I purchased some new Bosch 300HP injectors (part #0432133864) and installed them a few months ago. Now that the weather is dropping at night, it's usually around 35-40 degrees in the morning when I fire the truck up. I notice a lot of white/grey smoke with a very slight tint of blue. It would smoke a little when it was cold and not plugged in with the stock injectors, but it is much more noticeable now with the new injectors. Once the engine is warmed up, the smoke stops. Now I learned from other peoples posts that smoke when cold is normal. The only thing that worries me is the blue tint to the smoke. I know for a gasser engine, blue smoke is caused from oil getting into the combustion chamber by worn rings, valve guides, etc. But the Cummins uses no oil between changes. And once it's done warming up, there is no smoke at all.
My question is should I be concerned about what I call excessive smoke on the cold start? Although the smoke has a slight blue tint, it does not smell like burned oil. Just smells like diesel exhaust. I also have an old Mercedes diesel, which smokes quite a bit on a cold start, but never had a bluish tint. I suspect the new injectors have something to do with it. Does anyone have any advice? Should this be something I should worry about? Any information would be greatly appreciated!
1996 2500 2x4, 12v cummins, 192k miles, auto tranny, long bed, stock besides transmission upgrades and plan to add a little more power.