Hi guys just bought a series 2 rst totally standard it's been fine for a couple of weeks but now i have problems when its cold it runs normal boosts fine etc as soon as the engine temp increases the problems starts it hesistates and back fires seriously indicating unburnt fuel to me any ideas before i get to involved stripping things

 

coolant temp sensor or in desperate need of setting up.

 

Ok cool is there two sensors on these one for the gauge and one for managment of just the one where is best place in midlands to have it set up anyway