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International Automotive Technicians Network
Re: Fuel Trims and Fuel Mileage
Posted to Technical Discussion Forum on 7/14/2011

Something wacky with those readings, maybe a scanner software issue......only 2 banks, and it sure cant go to 87 %~! Anyway, make sure it has good OE plugs, these don't like anything else. Make sure the pcm software is up to date, there were several updates, a... Login to read more.