Originally Posted by bbdram4u
My 2500 hd 6.0l when starting up for the first time blows a cloud of blue smoke out..it only has 30,000 miles on it??????
Sounds like a diesel engine, if it is check the PCV and also make sure that the fuel regulator is not leaking because that can cause leaking deisel to ignite creating the puff of blue smoke. I hope this helps