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Showing results for tags 'Temp sensor'.
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Need Help Please!!!! I truly appreciate anyone that reads this long post. Hopefully someone can help me figure this out. Bought my 2017 Silverado CrewCab LT Z71 new. For 5 yr & 10 mo. the temp gauge sat at 210 with no issues and no variation. Then, in June 2023 the temp started rising about 10 degrees and would fluctuate from there back to normal. Thermostat was replaced, didn’t resolve the issue. Temp sensor was replaced, didn’t resolve the issue. Truck is well maintained, radiator/coolant flushes done a normal intervals with no issues found. Dealership has checked out this issue 3 times and says it’s operating as normal, temp fluctuation is normal. I have been calling BS on this since June, how is this normal? Almost 6 years with no variance but now it’s normal? So here I am in October, with continued temp issues that are anything but “normal” The temp gauge has progressively increased, the gauge goes up to 245-250 then will drop back down to 210 and fluctuates between 210 - 230/235 as the drive continues. Things to note: I have never had a Check Engine light, adding to the frustration. Coolant level doesn’t change, no leaks whatsoever. This temp issue does not happen when idling. I’ve idled for 20-30 min both from cold and after driving with the issue happening, no fluctuation. I have thought through some other possible issues but then wonder could it be “this” when the issue is not consistent or throwing codes. Are the active shutters not opening / operating correctly, that should throw the check engine light Belt is loose, again should be a more consistent issue with sounds and other functions having issues. Water pump going out, again I think that would cause more consistent issues and would overheat the engine. Fan(s) going out, wouldn’t that be more of an issue when idling vs driving and would be a more consistent issue. Could this be some other sensor, relay, electrical issue. Any help, experience, and/or suggestions you have on this issue are greatly appreciated. -
I am looking to replace my sensor and the harness as they are known to be bad and causing the p0711 code. In my research I found the 2015 has a split harness but they changed it in 2016 to a one piece harness and then I believe they went back to the split one, not sure which year. What is the part number for the sensor and harness? I've looked everywhere and can't find nothing, plenty of threads but noone has mentioned part numbers and acdelco website does not have a part listed in their catalog for that year.. nor does any parts site like napa or autozone