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				why such Bad gas Mileage
			 
			 
			
		
		
		
			GM...I drove my 02'  2.7  5 Spd  in a round trip of 60  miles, mixed driving some Interstate and surface streets,and used a 1/4  tank of 91 octane fuel from Cheveron, that cant be normal..Ive never taken this car on any type of trip, so I don't really  have a gauge for mileage RPM range was 3K to 5500. ?? any Info would be Great...Thank's  Frank
		 
		
		
		
		
		
		
		
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