P0404 Exhaust Gas Recirculation Circuit RangePerformance

P0404 Code: EGR Circuit Issue code p0404 If it is only showing p0404 then that is the signal not being reliable from the egr to the pcm I would firstly fit a blanking plate to the egr code p404 Some vehicles may store EGR control performance code P0404 This occurs when the difference between commanded and actual EGR valve position is more than 10%

code p0404 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