'04 GTX Check Engine Warning

[DooSea]

My check engine light comes on and I have no idea why. I was running it at low speed, no weeds, engine temp was 87 or so, and the warning comes on for no aparent reason. Ideas please......

 

[seadoosnipe]

Temp sensor.......

CHeck your temp sensor. Remove it and make sure there is no oxide build-up on the element.......check the wires for a bad connection. If all is good, replace the faulty sensor...........