What is a P0404 Exhaust Gas Recirculation Circuit

code p0404 The P0404 code indicates a potential issue with the EGR system in your vehicle Causes of a P0404 code include a dirty or malfunctioning EGR

The P0404 code indicates a potential issue with the EGR system in your vehicle Causes of a P0404 code include a dirty or malfunctioning EGR code promo mycasino 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%