ethanol
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K
Better startup with higher ethanol
2011 Yukon Denali L94 6.2 Flex Fuel 160k miles... I had some stumbling on a dead cold start up after filling the tank a while back. Cleaned the throttle body and it ran better for a bit, I think it just brought up the idle till it recalibrated. Then I ran a tank of ethanol free premium and...- KyleSM
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- 6.2 ethanol flex fuel l94 yukon
- Replies: 2
- Forum: Engine & Drivetrain
