P0404 Exhaust Gas Recirculation Circuit RangePerformance

Code P0404 usually indicates that there is a carbon build-up somewhere in the lines, or on other occasions, a bad EGR valve

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

p0404 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%

p0404 P0404 - EGR 'A' Control Circuit RangePerformance - OBD2 Trouble code: ✓ Meaning ✓ Causes ✓ Symptoms ✓ Diagnostics ✓ Repair guides ✓ Repair costs ➤ Keep