Bad temperature gauge or sensor?

[RustyWood]

(06-05-2020 )Meanwhile Wrote:  After unplugging the high pressure sensor, I dove over 300 miles. The only time the fan came on was when coolant temperature reached above 200 degrees. Thanks again for your help with this!

Interesting, I noticed the last month or so when my truck was running, that my fan seemed to be nearly always running as well, I think I'll look into trying this also and see if it cures my fan running so darn much. Thanks for this thread !