Bad Temp Sensor?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

crustysarge · 08-13-2006, 02:55 PM

A recent bout of false overheating from the stock gauge lead me to install an aftermarket temp sensor and gauge which proves all is OK. The stock system was showing hot at the stock gauge. I changed the stock sensor hoping it would cure but now it cycles with the thermostat and almost pegs the gauge dropping to 3/4 and then pegging until the thermostat opens.

Aftermarket gauge with sensor installed at thermostat housing cycles as thermostat opens/closes and never goes beyond 200 degrees. It only hits 200 on the first cycle and the stays around 175-195.

Could the replcement sensor be bad?

08-13-2006, 02:55 PM	#1
crustysarge Registered User Join Date: Mar 2004 Location: Aviano, Italy Posts: 221	Bad Temp Sensor?? A recent bout of false overheating from the stock gauge lead me to install an aftermarket temp sensor and gauge which proves all is OK. The stock system was showing hot at the stock gauge. I changed the stock sensor hoping it would cure but now it cycles with the thermostat and almost pegs the gauge dropping to 3/4 and then pegging until the thermostat opens. Aftermarket gauge with sensor installed at thermostat housing cycles as thermostat opens/closes and never goes beyond 200 degrees. It only hits 200 on the first cycle and the stays around 175-195. Could the replcement sensor be bad?



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