I was driving down the road last night and I had cylinders 1 & 2 start misfirig. Once I stummbled home there was a light smoke coming from underneath the hood. I popped the hood and the turbo was red hot and there was smoke coming from where the turbo sits. Was it the turbo smoking or was it just so hot it was burning grease/grime off the heat shield?? I'm guessing the reason it got so hot is because it had to work so hard to get me home. Do you think that I've done damage to my turbo??