Egr Code p0404-no power and smokes?

code p0404  This code points to either carbon buildup or a bad EGR valve However that doesn't rule out the following: The error code P0404 can be defined as Exhaust Gas Recirculation Circuit RangePerformance

The glow plug light flashes all the time after around 3 mins after you start the van I took it to a garage and they read the fault code which was P0404 EGR The engine code is P0404 which refers to the EGR valve I replaced the valve with all new gaskets as it was rusty and the vehicle is at 194K

The OBD-II fault code P0404 indicates an issue with the Exhaust Gas Recirculation Circuit Rang  Comprendre le code P0404 L'unité de commande du moteur déclenche le code P0404 pour signaler un dysfonctionnement de la valve EGR, qui ne