P0404 OBD II Trouble Code Exhaust Gas Recirculation Circuit

P0404 Exhaust Gas Recirculation Circuit Range performance p0404 P0404 -EGR POSITION SENSOR RATIONALITY This is a rationality conflict with pintel position, the PCM does not like the info it is getting p0404 P0404 is a EGR circuit code You most likely have an exhaust or intake leak which is why it's running rich Check the engine bay for soot or oil

p0404 P0404 = Exhaust Gas Recirculation Circuit RangePerformance The fault code is probably showing because your EGR valve is blanked