Hyundai I30 CRDI - errorcode p0404 EGR-Valve Please help :)

code p0404  The code shown each time is “P0404 EXHAUST GAS RECIRCULATION CONTROL CIRCUIT RANGEPERFORMANCE” I was told that I should have the computer flashed  Detailed information on troubleshooting and repairing a p0404 automotive trouble code which refers to an EGR circuit range or performance issue Also includes

#p0404 · P0404 Exhaust Gas Recirculation Circuit RangePerformance EGR Valve How was that code extracted and with what? Nevertheless :- P0404 Exhaust Gas Recirculation A Control Circuit RangePerformance is the specific

The vehicle lacks of power When I clear the p0404 fault code, the vehicle runs great for a couple of days or miles (costumer mentioned that The error code P0404 can be defined as Exhaust Gas Recirculation Circuit RangePerformance