gas blocker?

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11-12-2016, 07:12 PM

40series

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gas blocker?

what is preventing my truck from taking in the gas to fill up with out backing up . when i put gas in it wont accept the gas i have to go very slow at pumping???

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11-12-2016, 07:43 PM

FFDP

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Something in your EVAP system is not allowing the air/fumes inside the tank to escape when you pump a liquid into it. Charcoal canister comes to mind, or the evap vent valve.