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Old 12-11-2018, 03:36 PM   #19 (permalink)
Ecky
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ND Miata - '15 Mazda MX-5 Special Package
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Quote:
Originally Posted by Gasoline Fumes View Post
They weren't on at a ScanGauge-indicated 245°F/118°C. About one bar over halfway on the temp gauge. Radiator was cold.
That's definitely not right. I don't know how it's wired but it's possible the temperature switch for the radiator fan is not the same sensor for the gauge. I'd burp it, and if that doesn't help, replace the thermostat.

Do you have the full wiring diagrams for the car?
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