Mine does the same thing.... stone cold after sitting for a week or two and the fan goes nuclear (Sounds like a Jet engine). Levels off after a few minutes and runs fine. Think the computer is searching and evaluating. Not a problem. "if" my memory serves me here.... When we were in another State and it was -24F, the Fan would also do the same thing. Again, normal in my opinion.
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2019 Laredo 325RL
2017 Ford F350 DRW
USAF Retired, (20 years, Firefighter)
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