Fill Vent Valve Inspection

Remove the Fill Vent Valve from the fuel tank enough to see that the white valve plunger is in the "open" position and moves freely up and down. If the white valve plunger is stuck "up" in the closed position, the fuel fill vent valve assembly will need to be replaced.

Fill Vent Valve Location:

1998 Elantra/Tiburon:

Top, rear center of fuel tank