When you clear the codes on an OBD2 car it has to "Cycle" before you can get the emissions test done. Now I can see on my code scanner that there are 5 readiness test that I can Monitor.
Heater O2...
EGR..
I forget what the other 3 readiness tests are
Now I heard that you dont need to have all 5 say OK 3 out of 5 would be OK? Any truth in this?




 
			
			 
					
						 
					
				 
			 Any emission Tech's on IA? Question about readiness status.
 Any emission Tech's on IA? Question about readiness status.
				 
					
					
					
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