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1990 Chevrolet G Series Van (G20) Question: I am trying to locate the Coolant Temp Sensor (ECU) 1989 G20



speedskater, 5.7L V8, Sacramento, CA, February 04, 2011, 19:20

Shop tells me the coolant temp sensor voltage =0, and the thermostat is stuck open. I believe the thermostat is located on the engine block @ radiator return, but cannot find the coolant temp sensor. Can someone describe where to find it?

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  • Answer #1

    Visitor, March 10, 2011, 07:14

    its right next to the thermostat housing.

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