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gomi_otaku
gomi_otaku, Technician
Category: Ford
Satisfied Customers: 3428
Experience:  VW Technician, VW FastTrack, VW Academy, VW Certified
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Why vehicle fuel tank will not fill? I hear a "ssing" noise

Customer Question

Why vehicle fuel tank will not fill? I hear a "hissing" noise and fuel fill shuts off. I have replaced fill pipe and charcoal canister--no change
Submitted: 1 year ago.
Category: Ford
Expert:  gomi_otaku replied 1 year ago.

Did you check the fresh air intake for the charcoal canister? This is where it not only sucks fresh air in when venting to the intake, but allows air out when you are fueling, to prevent it backing up the filler neck as it is doing. I see them clogged with dust pretty often on SUVs, especially people that live on gravel roads.