Nissan p0402 code P0402 Nissan Exhaust Gas Recirculation Flow Excessive … Possible Causes and Repair Information for P0402 Nissan code. Learn what does P0402 Nissan means? P0402 Nissan Exhaust Gas Recirculation... Source Source Source Source Source Source Source Source Source Source Read Also: Nissan p0402 P0402 nissan quest 2004 Nissan frontier p0402 Nissan maxima p0402 P0402 nissan sentra 2001 Nissan altima p0402