| 摘要 |
A mis-fuel inhibitor in an inlet neck assembly of a vehicle fuel system discriminates between nozzle diameters, allowing entrance of nozzle diameters at or greater than a predetermined minimum diameter while inhibiting entrance of nozzles having diameters less than the predetermined minimum diameter. An actuator responsive to nozzle diameters engages and disengages locking arms that are associated with a primary shutoff valve flapper door.
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