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
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
The EGR valve has failed, and will need replaced.
I use a scan tool after repairing the failure that set the code.
Trouble code P0404 means: EGR Position Sensor Signal Performance
Transmission code present. You need to check the TCM for codes to know possible causes.
You will need to have the code read with a scan tool, repair the cause of the codes, and then the code can be erased with the scan tool.
Check Engine code of P0404 (EGR)
Trouble code P0404 means: EGR Position Sensor Signal Performance
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance