My 2018 Silverado Crfew Cab Z71 runs rough at times....I have seen LTFT at -10%, STFT seem fine (close to 0%). But my question is, there are times when when it will run rough (idle bounces a bit) and I can feel it a bit under acceleration. If I stop for 10-15 minutes somewhere and get back in, it runs fine. No issues. Is it possibly a bad O2 sensor that the heating element isn't working properly? 80K milers on it, changed the plugs, wires, regular maintenance, catch can. Doesn't throw any codes. Thoughts?