Gas cap hissing. Can’t barely pump gas.

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iboughtatahoe23

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2014 Tahoe Lt 178k

Changed charcoal canister. And now it’s worse. Don’t know how pellets would have gotten in the lines if I took the hoses off before the canister. Any way. This thing clicks off every few dollars and hisses when I take off the cap. I have to trickle it or use a funnel.

Some youtube videos below:
1) Gas cap hiss
2) Pump clicking off
 

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