How to Perform a P0404 EGR cleaning on a Saturn S-series

p0404  I had the code read and it was P0404 and the recommendation is to clean the exhaust gas recirculation valve and all egr ports  Default Re: Please help with gwm error codes P0404 and P2264 P0404

P0404 is a generic OBD II fault code that indicates that there is an issue with the Exhaust Gas Recirculation circuit The Engine Control Code P0404 is to some extent simply generic and there may be various causes for its activation Sometimes a poor or corroded electrical connector can affect

Autohex online Help for members only, Vehicle:SANTAFE Model Year:2012 fault code:p0404  A P0404 code often indicates a potential problem with your car's exhaust gas recirculation system