The Engine Coolant gauge goes to the far Left and stays there. The manual says it will do this if it receives a value out of range. The self test when powering up and starting takes the indicator needle to the mid-point and then ratchets back to the left. I traced the wire from the sensor to the ECU and everything looks good. I assume the ECU is controlling the gauge for the self test, so ECU-to-display panel should be good. I'm thinking it's time to replace the sensor. I fixed a config issue, and still have to calibrate the digital tach, but I doubt they are related. Should I replace the sensor or check something else?
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