Ill probably try unhooking the battery in the morning and see if that works. If not Ill hit Hobo freight and get a scan tool, which I should have anyway. I did use AC Delco CTS but I had to order the GM thermostat. Nobody had any in stock. Had to use an aftermarket one temporarily until the Gm...
Okay guys here's the update on my original post. All of the above fixes didn't work! As a hedge I replaced both the thermostat and the temp sensor. Does exactly the same thing as before. As soon as I turn it on the fans kick in high gear. Temp gauge pegged at 0. Doesn't even wait for it to come...
Thanks for the replies. It seems that this is a common problem with these 5.3s. I'll be changing it as soon as I can find a thermostat. They seem to be in rather short supply right now. Probably will change the coolant temp sensor at the same time. I'll let you know how it goes. Thank for the help!
Hi all, long time lurker but first time posting. I have a 2016 Tahoe LTZ that has a new issue that happened tonight. The wife and I had an appt about 7 miles from our house. On the way to it everything was fine, however on the way home about halfway I heard the fans kick on. Did think anything...
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