P0404 EGR Flow code

code p0404  a low flow code p0401 is a restricted intake or p0405 would be either sticking egr pintle or carbon on the egr guy at P0404 is a EGR circuit code You most likely have an exhaust or intake leak which is why it's running rich Check the engine bay for soot or oil

The P0404 code error comes when the EGR doesn't behave as it should Most of the time, it's because the valve doesn't open Besides the valve Autohex online Help for members only, Vehicle:SANTAFE Model Year:2012 fault code:p0404

Causes and Fixes P0404 Code: Exhaust Gas Recirculation Control Circuit RangePerformance  The code shown each time is “P0404 EXHAUST GAS RECIRCULATION CONTROL CIRCUIT RANGEPERFORMANCE” I was told that I should have the computer flashed