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2021 Yukon XL 5.3L Running Rich - Fuel Trim Questions
Hey all, been digging into some quirks with my 2021 Yukon XL (5.3L, 2.5 months old, still under warranty). Noticed it’s down a quart of oil since I got it, but after warming up, the dipstick reads full weird, right? Using a BlueDriver, I’ve been logging fuel trims: - Highway (66 mph...- Stewmatic
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- Replies: 7
- Forum: Engine & Drivetrain
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New-to-Me '21 Yukon XL - Maintenance and Mod and questions
Hi all, I recently picked up a used 2021 Yukon XL, and I’m excited about it so far! It came with some fresh updates, including: - New tires - Brake pads - Rotors - Oil change - Windshield wipers I’ve put about 3,000 miles on it since buying it, and it’s been treating me great. That said...- Stewmatic
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- Replies: 7
- Forum: General Discussion
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2021 Yukon xl
Hi, I am picking up my first Yukon XL tomorrow. I am buying it used with 90,000 miles on it. It’s a 2021 with a 5.3L. Before I pull it off the lot tomorrow I wanted to see if anyone had any advice on things to check before I clear the lot and I’m locked in.- Stewmatic
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- Replies: 10
- Forum: General Discussion
