P0404 EGR Valve flow malfunction

code p0404 For most makes and models of vehicles, a trouble code P0404 is the result of an improper reading from your exhaust gas recirculation valve

Code P0404 is triggered when the EGR position is not as the ECM expected and the most common cause is the EGR valve partly stuck open from carbon buildup on the code p0404 This video is to help with troubleshooting P0404 and P0405 EGR codes At the end of the