I only read the first few pages. So this may have been mentioned
The damage was done way before the rod broke. It just happened to break while cruising around. Rods don't just snap while just driving normally
The new update came out the other day.
Open rear camera by one click.
Real-time monitoring of battery voltage with voice alarm.
Seat belt voice alarm.
Show CPU usage, battery voltage in the status bar.
Go back to the factory tune and do the same test. It should not raise that high.
You may have rod knock or a vibration from something causing your kcontrol to go up. Let's just hope its bad gas. I wouldn't beat on it