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			Unfortunately, I’d be willing to bet that a new cap is not going to cure this problem.  P0453 is the code for an excessively high tank pressure; usually bad caps cause the opposite problem.  More likely, you have either a bad pressure sensor or vent valve in your EVAP system……….
		 
		
		
		
		
		
		
			
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				“Anything really new is invented only in one’s youth.  Later, one becomes more experienced, more famous – and more stupid.”  - Albert Einstein
			 
		
		
		
		
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