Quote:
Originally Posted by 57chevyragtop
(engine coolant temp) Just curious if there is a test that will tell if an old sensor is good. I know you can test a thermostat in hot water. but wouldn't you have to test the resistance or voltage across the contacts on the ECT as water temp in pan rises?
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to test the ECT you would need to use temps at least to 0 deg f to 212deg f.
the cost of these are not much. testing at 32 deg f and boiling should indicate if you have a problem.