Can some one tell me how to find out what the resistance range is with a multi meter when testing a coolant temperature sensor the sensor in question is for temp gauge and ecu, it has 3 wires going to it, I can get 2 different reading hot water(2k) .295 and cold (20k) 2850 other reading (2k) .500 and cold (20k) 2700, temp gauge is alright sits half way and the cooling fan cuts in, I maybe wrong but shouldn't they read the same if tested the same way
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