reynolds9000 26 Posted August 2, 2015 Report Share Posted August 2, 2015 The check engine light in my 1995 GLX turned on and using a jumper wire to blink the code is have determined it's 2312 - coolant temp sensor, but which sensor? yellow 4 pin? blue 2 pin? brown 4 pin?I have no cooling issues with this car aside from the CEL. water temp never exceeds 190F and oil stays around 208-10F. I just replaced the auxiliary water pump as it was non functioning. Don't know if that has something to do with it. after clearing the CEL it turns back on every OTHER time I drive the car. I have replaced the yellow sensor with a new updated blue version but seemingly to no avail. help on which sensor? sorry for the novel. Link to post Share on other sites
reynolds9000 26 Posted August 3, 2015 Author Report Share Posted August 3, 2015 it's the blue 2 pin sensor for anyone searching this problem in the future. Link to post Share on other sites
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