K 2500 Truck 4WD V8-350 5.7L VIN K TBI (1995)
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Fuel Filler Hose: Description and Operation
PURPOSE:
To help prevent refueling with leaded gasoline, the fuel filler neck on gasoline engine vehicles has a built-in restrictor and deflector.
OPERATION
The opening in the restrictor will only admit the smaller unleaded gas nozzle spout, which must be fully inserted to bypass the deflector.
Attempted refueling with a leaded gas nozzle, or failure to fully insert the unleaded gas nozzle, will result in gasoline splashing back out of the
filler neck.