Diagnosing Fuel Fill Problems: Notes

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Problems associated with refueling the vehicle such as premature shutoffs of the fill nozzle or inability to dispense fuel at a high rate are related to two areas:

A blocked inlet (i.e., the fill pipe).
The primary vent path is blocked or severely restricted.

Redesign of the fuel fill inlet and vent path was done as a result of Onboard Refueling and Vapor Recovery (ORVR) requirements. Refer to THEORY OF OPERATION - FUEL FILLING AND ORVR .