P0404 code despite 2 new EGR valves

Code P0404 Exhaust Gas Recirculation Circuit RangePerformance code p0404 Autohex online Help for members only, Vehicle:TUCSONix35 Model Year:2011 fault code:p0404 code promo mycasino 2 years ago, a a month after I bought my i30 , I had a CEL with a P0404 code that was set while on a long road trip in

code p404 Had my EGR valve replaced 4 weeks ago on MY15 CC D2 and since then had a check engine light in 3 occasions, fault code P0404 EGR Control Circuit Performance