Fuel system backing up fueling up

Asked by Jun 15, 2017 at 06:49 PM about the 2015 Ford F-150 Lariat SuperCrew

Question type: Maintenance & Repair

I have a 2015 f150 lariat sport package it currently
had 25,000 miles on it and when I go to the fuel
pump I can only pump in 10 cents at a time. While
I'm pumping gas the air comes straight back up
and the gas pump shuts off

1 Answer

905

Really only a couple things it could be. Either a plugged vapor canister vent, defective vapor canister, Or a defective vapor vent valve. If there is no check engine light on you can almost rule out vent valve. unless the mechanical part is broken and the electrical side is good. A plugged vapor vent hose is the most likely culprit. Especially in muddy/dusty environments. I have also seen wasps make homes in them. Or in some parts of the country, Mud Dawbers. But that would only happen if your truck had been sitting for at least a couple days.

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