Anyone with this problem needs to change out their thermostat. Super easy there’s a couple YouTube videos on it. Iv done it twice as the first autozone T stat failed.
I'm pulling the trigger but before I do... dose anyone know who has the best price I'm looking for the borla cat back atak https://m.summitracing.com/parts/bor-140540/overview/model/silverado-1500
Thanks in advance