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After replacement of coolant temp sensor on 97 Chevy venture fans don't come on?
Wiki User
∙ 14y ago
You will have to do a little troubleshooting to find out what the real issue is here. A scan tool that can read the coolant temperature may help, as it will show you what the engine computer is reading from the sensor. This is important because the computer controls the cooling fans through 3 relays, so that they turn on at the appropriate time.
But if you see the temperature gauge changing once the engine starts to warm up, then the temperature sensor is probably working, as the computer also controls that gauge.
I have provided a link that gives more details about the engine cooling fans and how they should work.
Good Luck, Greg
Wiki User
∙ 14y ago
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