Cutlass Ciera Cruiser V6-3100 3.1L MFI VIN M (1994)
Fillpipe Restrictor: Description and Operation
Fuel Door And Restrictor (Typical)
PURPOSE:
To prevent refueling with leaded fuel, the fuel filter neck has a built-in restrictor and deflector. The opening in the restrictor will accept only the
smaller unleaded gasoline fuel nozzle which must be fully inserted to bypass the deflector.