Dtc p0420 nissan altima Source Source Source Source Source Source Source Source Source Source Read Also: P0420 nissan altima 2006 2000 Nissan altima code p0420 Nissan altima p0420 catalyst system efficiency below threshold bank 1 Error code p0420 nissan altima P0420 bank 1 nissan altima P0420 nissan altima 3.5
