NOx Sensor Quick Test

NOx Sensor QuickTest Some Possible Faults P2000, P2001 - NOx trap - efficiency below threshold P20EE, P20EF, P20F2, P20F3 - NOx sensor - efficiency below threshold P06EA, P06EB - NOx sensor - processor fault P20EC, P20ED, P20F0, P20F1 - NOx sensor - over-temperature condition P21B2 - NOx trap - excessive time to enter closed loop control P21B3 - NOx trap, closed loop control - signal too high P21B4, P21B5 - NOx trap, bank 1 - temperature too high P2200 - NOx sensor - circuit malfunction P2201 - NOx sensor - range/performance problem P2202 - NOx sensor - low input P2203 - NOx sensor - high input P2204 - NOx sensor - intermittent input P2205 - NOx sensor heater control - open circuit P2206 - NOx sensor heater control - circuit low P2207 - NOx sensorheater control - circuit high P2208 - NOx sensor heater sense circuit - malfunction

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