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07' Flex Fuel Compatibility
Hello, I recently bought a 2007 Yukon XL Denali (6.2L Vortec) and am having some problems with it. It has the FlexFuel badge on the back, and so I've been using E85 but every time I do, it throws codes (lean fuel bank 1 and 2) and has a hard time starting. I figured it just wasn't registering...- hmmhunter
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- Replies: 10
- Forum: Engine & Drivetrain
