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Old 12-28-2023, 11:37 AM   #5
1967GMCC20
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Join Date: Apr 2022
Location: Medina, Ohio
Posts: 238
Re: Truck stumbles when cold

Vacuum leak, hose line, might have got bumped when you were adding oil, air cleaner moved, ect. Spray carb cleaner around intake, careful, focused area.

What vehicle do you have. Eng, trans.

Last edited by 1967GMCC20; 12-28-2023 at 12:45 PM.
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