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Positive Crankcase Ventilation > < EGR - Revised DTC 51 EGR Circuit & Valve Inspection|Page 2387
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Fillpipe Restrictor: Description and Operation

Fillpipe Restrictor

PURPOSE

Prevents the insertion of leaded fuel nozzles into the fuel tank filler.

LOCATION

In the fuel filler inlet.

OPERATION

The opening in the restricter 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 will result in gasoline splashing back out of the filler neck.

Positive Crankcase Ventilation > < EGR - Revised DTC 51 EGR Circuit & Valve Inspection|Page 2387