I know the temperature resistance curve for the sensor
>that feeds the ECM, but not the other that goes to the
>temperature guage. I have only found in one manual that
>40 ohms is hot mark on guage and 63 ohms is midway, but
>not the actual temperatures. If I put the sensor in
>boiling water (100C/212F I am 30 metres above sea level)
>it shows 81 ohms.
>Does anybody know what it should be?
Well, you figure midway on the gauge is the normal operating temperature, right? And you figure the thermostat opens a little below normal operating temperature, right? And you know the temperature the thermostat opens at.
--scott