"04 suburban Z71 it took me 10 minutes to pump 16 gallons of fuel. It sounds like a vent issue (whistles down - then I can pump again)

If your vent valve is plugged, this could be the cause

"04 suburban Z71 it took me 10 minutes to pump 16 gallons of fuel. It sounds like a vent issue (whistles down - then I can pump again)

the fuel fill pipe is a hose in a hose..the inner hose is were the fuel travels the outer hose is where the vapors vent...

if this hose is twisted/distorted it will prevent vapor from venting...give the hose a massage to remove any distortions...

it is possible the tank may need be droped and this hose properly installed...this has been reported after fuel pump repairs made..

I had the same problem on my 05 it was the tank vent valve it is located on the back of the vapor canister.