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07 Yukon Denali won't stay running till warm then fine all day?! Till next morning...
Have an 07 Yukon Denali with 220k mi. An issue has arised that has stumped 5 yes 5 GM specialists. When you do a cold start in the morning the truck fires right up and sounds great will high idle for a few seconds then drop into a steady idle then about a minute later the truck shuts off and a...- ironeater
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- Forum: Engine & Drivetrain
