Cold start

[SuperMario]

ive got a really lumpy cold start, somtimes doesnt even want to! will misfire and smoke untill warmed up, can anyone point me in the right direction of what to look at? 

[Turbodaily]

Sounds like a dodgey coolant temp sensor to me (blue 2 pin).
Make sure you buy a genuine one if you do, as cheap ones are poo.