Nissan Sentra P Codes (Powertrain) P1400 - P1499

I Havn't Really Tried Nothing Because It Is Dark Right Now I Doubt Its Gas Cap Its Still Factory Cap.

I Was Wondering If Any1 New Where I Could Get The Evapm Canister Vent Control Valve Seloniode Cheaper Then $60 Or If Any1 Could Tell Me If...

I Have A Code P1447. Evap Control Purge Flow Monitoring Failure??? Here Are The Freeze Frame Conditions At The Time It Happens: 1787...