engine coolant sensor
#1
engine coolant sensor
I recently had my 94 S10 blazer's check engine light come on. After reading the code, I get a code 14 which indicates there is a bad temp. sensor. My issue is previously I have replaced the sensor on the pass side between the plus when I had a gauge reading problem. I now read that there are 2 sensors. Where is the 2nd one located? Also when looking on Autozone, I only find 1 sensor, do they use the same sensor? I seem the remember the one on the side only had 1 wire going to it, but all the sensors I find are 2 wire.
#3
The sensor that the computer uses to calculate coolant temperature is the one next to the water inlet on the top of the manifold. That's the one you need to change. The other sensor, the one in the passenger side cylinder head, is just a simple thermal resistor to run the dash gauge.
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