EGR code p0404 question

Code P0404 usually indicates that there is a carbon build-up somewhere in the lines, or on other occasions, a bad EGR valve

EGR code P0404 · When Monitored: Engine running · Set Condition: The EGR flow or valve movement is not what is expected A rationality error

code p0404 Autohex online Help for members only, Vehicle:SANTAFE Model Year:2012 fault code:p0404

code 369 club Code P0404 usually indicates that there is a carbon build-up somewhere in the lines, or on other occasions, a bad EGR valve