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Old 11-22-2012, 03:59 PM   #4
j cAT
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Re: ECT sensor, can it be tested?

Quote:
Originally Posted by 57chevyragtop View Post
(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?
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.
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