dneu Posted August 1 Report Share Posted August 1 Immediately after starting a car the temperature gauge needle goes to the full red and the fan starts running. My Volvo/Saab dedicated Careader scanner does not "connect" communication fault reported. Engine does not overheats. Quote Link to comment Share on other sites More sharing options...
Zappo Posted August 2 Report Share Posted August 2 I would replace the coolant temp sensor. It should be relatively cheap. Quote Link to comment Share on other sites More sharing options...
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