Category: SCR

P207F vs P20EE: Quality Warning or SCR Efficiency Fault?

P207F vs P20EE: AdBlue Quality Warning or SCR Efficiency Fault? Quick Answer: P207F signals poor AdBlue quality or dosing issues; P20EE means the SCR system isn’t reducing NOx emissions efficiently—often due to sensor, injector, or catalyst problems. Both can trigger a countdown to engine lockout. Fix P207F first for best…