p0404

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

Code P0404 usually indicates that there is a carbon build-up somewhere in the lines, or on other occasions, a bad EGR valve  The P0404 error code in a Ford Escape indicates issues related to the Exhaust Gas Recirculation system

50รับ100ทํา300ถอน200 What is the P0404 Error Code? The P0404 error code is a specific diagnostic trouble code that signifies a problem with the EGR system's Some vehicles may store EGR control performance code P0404 This occurs when the difference between commanded and actual EGR valve position is more than 10%