Marlin PID Autotune Failing. After changing the hotend and heatbreak to copper and all-metal titanium, I've run the M303 PID autotune several times, but I always end up with this terrible oscillation
P.I.D. Hotend Calibration Guide - TH3D Studio Help Center
P.I.D. Hotend Calibration Guide - TH3D Studio Help Center
Consistent Print Temperatures By PID Tuning Your Printer - YouTube
P.I.D. Bed Calibration Guide - TH3D Studio Help Center
New PID values – User mods - OctoPrint, enclosures, nozzles, ... – Prusa3D Forum