EDC16 / P0404 50
Read the instructions below then 
start the fault diagnostic procedure.
Symptom: Warning lamp lights.
Performance loss.
	
Exhaust Gas Recirculation Valve Malfunction
Fault symptom
Warning lamp lights.
Performance loss.
On-board diagnosis
Enable criteria:
Fault criteria:
| The EGR valve is open when it was expected to be closed. | 
System reaction to a fault:
| Limp Home, fuel limitation. | 
| Regeneration of DPF prevented. | 
Diagnostic help
Diagnosis regards:
| Mechanical fault in the component. | 
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |