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					Originally Posted by  epapp
					 
				 
				I have never seen 4 decimal places. Durametric software could be doing fancy things with the cars reported value like rounding to different places depending on the reading. a <1 degree reading might report 4 decimal places, but thats the only reason I can think of why it would change reading to reading.  
 
What year do you have? 
 
Also, runjmc, are your readings 6.0 and 3.0, or some other decimal value? 
			
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Epapp: My car is an '07 Cayman S