Did you tell the MS which coolant temp sensor you are using? There should specifically be a Bosch E30 option, or something very similar. There is a calibration curve for every sensor and if it's not set properly it can mess with your readings. If it's working in the dash, it's definitely an MS config problem.
In Tuner Studio, top left corner:
"Tools" > "Calibrate Thermistor Tables"
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Squirley Coolant temp
Hey Guys,
Got a questions regarding my coolant temp.
I'm running MS2pnp
So my temp gauge on my gauge cluster works just fine. The gauge on the megasquirt works just fine as well during start up and beginning of driving. Once it warms up and during driving the coolant temp drops down to like 70 or 80 Degrees F. Can anyone comment on this or let me know if this has happened to them before. I was maybe thinking of a faulty sensor? The gauge on my cluster stays fine and hangs right around the midpoint where it should. Any related info would be helpful
Thanks,
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