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					Originally Posted by Kevfra
					
				 Meanwhile the car runs fantastic, a dramtic improvement.  But it also runs a bit hotter which I expected.  It seems to me with the O2 sensors reading higher hydrocarbons ala no cats, the mixture will be more lean, and that will drive up the temperature.  I have no science to back this up, just trying to figure out what the computer is doing. | 
	
 
What makes you think it's running hotter?  Are you seeing higher water temperature?