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Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means: O2 (B1 S1) Heater Circuit
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0404 means: EGR Position Sensor Signal Performance
You have a problem with the EGR system.
See teh link below for a detailed explanation of this code.
The EGR valve has failed, and will need replaced.