Thread: Please help with gwm error codes P0404 and P2264

Mazda6 - P0404 keeps returning even with new EGR - Had a P0404 fault code

P0404 = Exhaust Gas Recirculation Open Position Performance Sets when the difference between the desired EGR position and the actual EGR

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

p0404 I am getting a p0404 pertains to the egr valve My question is, is this common for the valves to go bad? Do you think I could just clean it?