Was there ever a time when you didn’t know everything & occasionally asked a question that you considered reasonable only to be shot down by your mentor for asking stupid questions & made to feel like a waste of human tissue?
I for one don’t see Ryan’s question as stupid. If the cylinder head temp sensor is measuring coolant temperatures within the cylinder head then yes it would be way too high, if it is merely monitoring temperature levels in the locality of the head then this reading becomes more plausible.