Check the vent tube and all lines to charcoal canister. The tank is not venting enough, that's why you can't fill it fast. The canister also might be full of gas.
2014 Rubicon, Mopar 2" lift w/Fox shox, RE Geo brackets, Teraflex monster front track bar, 285-70-17 Duratracs on 17x8.5 Level 8 Punch wheels. RBZ and PRS+, Bestop High Rock rack, High Access front bumper, Soft doors and a Trektop pro, Smittybilt Gen2 comp winch, Cobra 75WX.
2015 Jeep Renegade Trailhawk