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2023 Yukon Denali 6.2L Idle Vibration - Normal?
So, after two visits to the dealer and one software “flash” and one update my low idle problem is gone and the engine idles at 500-700 RPM. I still have the “stumble” at idle especially at a red light but it seems to be less so especially using premium 93 gas verses 91 or when my wife tries to...- mkrowland
- Post #10
- Forum: Engine & Drivetrain
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2023 Yukon Denali 6.2L Idle Vibration - Normal?
I have 2021 Yukon Denali at 43k miles and mine does the same thing. It will typically idle very low at the stoplight (like 100-300 rpm). If I manually rev it to 500-600 rpm it goes away. I took it to the dealer to demonstrate and they said while it does seem low it could be the Active Fuel...- mkrowland
- Post #6
- Forum: Engine & Drivetrain
