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Fuel Trims at WOT?
Posted to Technical Theory Forum on 12/20/2016 12 Replies

TechHelp today, 2012 Chevy 4.8, reporting fuel trims of 8 - 15% under WOT acceleration (and a lack of power)

Help me, I'm out of date....

Are the more modern engines no longer going open loop under WOT? Login to read more.

12 Replies Received (View Replies)