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Old 09-12-2017, 07:31 PM   #4
Senior Member
Join Date: May 2010
Location: PASADENA, CA
Posts: 1,198
Default Re: How does water temperature gauge work?

Usually when a mechanical temp gauge fails it will not read any temp.

I do not think I have ever seen a mechanical temp gauge fail and read too high.

It may be trying to tell you something.

Chris W
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