IN JUNE 2000, KIA NOTIFIED ODI OF A DEFECT CONDITION IN APPROXIMATELY 100,000 MY 1998-99 SEPHIA PASSENGER VEHICLES MANUFACTURED FROM OCTOBER 17, 1997 TO MAY 16, 1999, THAT COULD RESULT IN FUEL SPIT BACK WHILE REFUELING (EA99-034, RECALL 00V-175).ACCORDING TO KIA, MANUFACTURING CHANGES MADE TO THE ONBOARD REFUELING VAPOR RECOVERY (ORVR) VALVE COULD CAUSE FUEL SHUT OFF BEFORE THE TANK REACHED 95% OF NOMINAL CAPACITY DURING REFUELING.KIA STATED THAT IF THE CONSUMER THEN ATTEMPTED TO ADD MORE FUEL TO THE TANK, FUEL SPILLBACK OR SPITBACK FROM THE FUEL FILLER NECK COULD OCCUR.KIA REPLACED THE ORVR VALVES IN THE RECALLED VEHICLES.ODI HAS RECEIVED 16 COMPLAINTS OF FUEL SPIT BACK ON VEHICLES THAT HAVE RECEIVED THE RECALL AND 5 COMPLAINTS ON VEHICLES THAT WERE NOT COVERED BY THE RECALL.KIA HAS IDENTIFIED 2 FUEL SPIT BACK COMPLAINTS ON VEHICLES THAT WERE RECALLED AND 8 COMPLAINTS ON VEHICLES NOT COVERED BY THE ORIGINAL RECALL.KIA HAS ALSO PROVIDED WARRANTY INFORMATION SHOWING 191 CLAIMS POTENTIALLY RELATED TO FUEL SPITBACK ON NON-RECALLED VEHICLES. ODI HAS UPGRADED ITS INVESTIGATION TO AN ENGINEERING ANALYSIS TO FURTHER ASSESS THE SCOPE, FREQUENCY, AND TREND OF THE FUEL SPITBACK RISK ASSOCIATED WITH THE ALLEGED DEFECT IN THE SUBJECT VEHICLES.