ford Workshop Repair Guides

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Positive Crankcase Ventilation > < Vacuum Reservoir, EGR|Description and Operation|Page 3954
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Fillpipe Restrictor: Description and Operation

Fillpipe Restrictor

  
PURPOSE

The restricted opening of the fuel tank filler pipe allows only an unleaded fuel nozzle to be inserted.

CONSTRUCTION

The restrictor consists of a narrow opening in the fuel tank filler pipe covered by a spring steel flap.

OPERATION

The smaller unleaded fuel nozzle will fit through the narrow opening and push the trap door aside, allowing normal filling.  Leaded fuel nozzles
will not fit in the narrow opening.  The spring steel flap being closed causes a fuel back-up and automatic nozzle shut-off.

Positive Crankcase Ventilation > < Vacuum Reservoir, EGR|Description and Operation|Page 3954