Originally Posted by
Ronman
I don't see how sensors would apply here? We are just trying to unclog/unstick a duo valve with the hottest coolant possible just like if you were trying to unclog a slow drain at home with hot water. There is no ambient temperature sensor inside the Crossfire but there is one for the SLK320.

I believe there is at least one sensor in the ductwork for the system (but that wasn't the point). Never mind, you asked the question, I answered the part about closing the windows that was in the list from member DTMenace to a different member. Good luck.
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