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Discussion Starter #1 (Edited)
First post to the forum, I'm having an issue with the temp display. It seems any time I change the temp on my heater I get a ---f read out on my temp display. it eventually goes away. But is super annoying. I don't think it is the thermostat the car get up to temperature just fine. If I leave the temp knob the same the display never goes out. Any info you can give me would be greatly appreciated
 

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I've had this happen before. I think it was my coolant temp sensor. Then it happened again, and it was my thermostat. I've had it happen last year again, but it eventually came back and didn't present itself again, but I'd guess it was the coolant temp sensor again.
 
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