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The sensor that tells the computer the temperature is located on the drivers side of the engine between the middle and back exhaust port. The CTS coolant temp sensor for the ECM is in front of engine in the lower intake and the sender for the gauge is on the left side between 3&5 plugs.

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โˆ™ 2014-07-04 18:20:09
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Q: Where is the engine coolant temp senor on a 4.3 liter Chevy S-10 Blazer?
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