dneu Posted August 1, 2023 Report Share Posted August 1, 2023 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. Link to comment Share on other sites More sharing options...
Zappo Posted August 2, 2023 Report Share Posted August 2, 2023 I would replace the coolant temp sensor. It should be relatively cheap. Link to comment Share on other sites More sharing options...
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