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re: GMC Yukon - Fuel Pump Shuts off Constantly While Filling Tank (SOLVED: update pg 2)

Posted on 11/23/21 at 8:34 pm to
Posted by ScaryTerry
Baton Rouge
Member since Oct 2021
18 posts
Posted on 11/23/21 at 8:34 pm to
What year model? Most common cause of this in a Yukon is the vapor canister itself. It gets flooded with fuel and stops letting vapors escape, preventing the tank from venting.
Posted by bapple
Capital City
Member since Oct 2010
11913 posts
Posted on 11/23/21 at 9:32 pm to
It’s a 2010. If that’s the case it doesn’t seem like swapping the canister would be super hard but I’d hate to go through all that for it to still not work.
Posted by bapple
Capital City
Member since Oct 2010
11913 posts
Posted on 11/24/21 at 9:53 am to
Canister officially swapped and I shot some compressed air in each hose. I’ll report back on the next fill up.

Thanks for the help everyone.
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