Fillpipe Restrictor: Description and Operation

Fill Pipe Restrictor:

PURPOSE

Prevents the addition of leaded fuel, which would coat the oxygen sensor, and catalytic converter with lead.

Flapper controls evaporation of fuel during the time the filler cap is removed.

OPERATION

The smaller fill pipe center opening prevents leaded fuel nozzles from be inserted.

INSPECTION

Use dowel gauge to check opening.

Look for; tampering, broken flapper, excessive wear etc..