P0404 code despite 2 new EGR valves

Detailed information on troubleshooting and repairing a p0404 automotive trouble code which refers to an EGR circuit range or performance issue

The P0404 fault code indicates an issue with the Exhaust Gas Recirculation system This

p0404 It threw a p0404 code With this code, the car has no boost It starts up great, idles perfectly but I have no

p0404 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