2003 Nissan xterra p0442 P0442 for 2003 Nissan Xterra Openbay 2003 Nissan Xterra P0442- What You Need to Know P0442. Technical Description: A small leak has been detected in the Evaporative Emission System. Nissan... Source Source Source Source Source Source Source Source Source Source Read Also: 2004 Nissan xterra p0442 2002 Nissan xterra code p0442 Nissan xterra code p0442 Nissan xterra p0442 Nissan engine code p0442 Nissan trouble code p0442