
 Originally Posted by 
discorevy
					 
				 
				Cylinder Head Temperature? possibly an additional sensor outside the head measuring metal temp, but displayed in Fahrenheit for some reason?. I'm guessing though.
			
		 
	 
 Yes correct, and only in F from what I found. Have to enter a code to get it to pop up as the gauge doesn’t list it. Doesn’t matter as ultimately you are looking to stay in a range of temp whether DegC or F. 
I had the Ultragauge (sitting gathering dust now) in workshop. The SGIII is a good piece of gear and touchscreen.
				
			 
			
		 
			
				
			
			
				2001 Disco D2 V8
2008 Defender 90
2013 Disco SDV6
			
			
		 
	
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