Tech Tips - Disabling Virtual Flex Fuel on GM Trucks

Tips and tricks in less than 5 min - our first episode! We will choose the most common questions that our tech support team gets and answer them in short videos every other week!
For this Tuesday's Tech Tip, our customer had a 2013 Silverado 5.3 showing an idle stoich of 13.8, instead of reading 14.7. The way that virtual flex fuels work are based off of the fuel trims. So if the fuel trims are off, the virtual flex fuel will change the stoich based off the table shown in the video below. Watch as Brett McClelland solves this issue in a jiffy!
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