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Will
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Discussion Starter #1
My scan gauge reads F water temp at -40 degrees at all times. Is this just a scan gauge thing or is something else at fault? My truck runs noticeably better when ambient temps are low.
 

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<<< THE GAUGE WHORE...
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Scan gauge (or any scanner for that matter) can not read coolant temps on a auto truck... The PCM does not even look at it.
 

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Like CSIPSD said, you can't read that with a scan gauge. If you want to know your approximate water temp, check your oil temp. Most of the time water temp is the exact same as oil temp.
 

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Will
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Discussion Starter #4
Thanks guys
 
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