1998 Nissan altima evap system P0455 for 1998 Nissan Altima Openbay 1998 Nissan Altima The Evaporative Emission System is designed to prevent gasoline vapors Remember that most of this system sits underneath the car 1998... Source Source Source Source Source Source Source Source Source Source Read Also: 1997 Nissan maxima evap system 2003 Nissan maxima evap system Nissan maxima gross evaporative leak 2005 Nissan sentra evap system 2004 Nissan pathfinder evap system Nissan maxima evap system leak