Alright, my buddy has an 03' X with 145K on it, and his engine is throwing those codes. Anyone know what those codes are? And what do I do to find them? Is there a site that has what each code means? Thanks all-James

P1448 EVAP Canister Vent Control Valve (Open) (Nissan, Infiniti)

P0455 EVAP Control System

yes there is a site that has the codes i think it is obdIIcodes.com or somthing like that