I've had blue smoke coming out of my exhaust upon acceleration, after idling for an extended period of time, for a while now and it smells like oil burning, since I think blue smoke can also be excess fuel. Since oil can only enter the exhaust via the turbo oil seals and the valve seals, I think its the turbo because around 2017 (I think) I had my cylinder head rebuilt due to my head gasket leaking coolant down the side of the block. I haven't pulled the down pipe to confirm yet but its on the l