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Johnny Mullet · 05-13-2009, 10:10 PM

The sooner that engine is out of "closed loop" mode, the better the mileage. I plug mine in for 30 minutes before starting in the warm months and longer in the winter.

05-13-2009, 10:10 PM	#2 (permalink)
Johnny Mullet Hi-Tech Redneck Join Date: May 2008 Location: Ashtabula, Ohio Posts: 1,436 Thanks: 6 Thanked 49 Times in 42 Posts	The sooner that engine is out of "closed loop" mode, the better the mileage. I plug mine in for 30 minutes before starting in the warm months and longer in the winter. __________________ GeoMetroforum.com - got mpg?