Monday, September 16, 2019

29E1 - P0175

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction



none









29E1 - P0175 (DME)



29E1 - P0175







Information saved in



DME









Fault code



29E1 - P0175









Fault text



Mixture control 2









Fault description



System Too Rich (Bank 2)









Condition for fault identification



Test condition:





Closed-loop lambda mixture control = Active Terminal condition: Engine must be running Voltage condition:





none









Condition for fault memory entry



75 sec. lambda controller + adaptation deviation in max. 1200 sec.









Action in service



Visual inspection of affected components



Reverse mutual installation positions of HFM or injector valves



Check HFM plug contacts and electrical wiring



Check fuel pressure



Catalyst on one bank melted (visual inspection through O2 sensor fittings)?







Fault effect and breakdown warning







Driver information



Warning light:





MIL on in 2nd driving cycle

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