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the pipe temp sensor is a themistoor and not a thermocouple.....so it wont last very long on good leaded fuel, you can keep giving CAT $100 everytime this thing goes bad or simply bypass it as many have done with great results. But, you need to understand that bypassing this sensor with a resistors tricks the sled into thinking its running hotter (heat soaked).....so, it could be easy to cold seize the sled if you dont let it idle for a few seconds before you hammer down the throttle, im safe and let it idle for 30 secs before i even move the sled, then let her idle for a minute or so as you whould do with any stock of non-stock sled
anywho, go to radio shack and buy some 470 resistors, remove the bad sensor and add the resisitor, no a resistor doe not have poliarity
anywho, go to radio shack and buy some 470 resistors, remove the bad sensor and add the resisitor, no a resistor doe not have poliarity