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P0171 Diagnostic Trouble Code Discussion for September 2022

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
2014 Mini Cooper Countryman S 1.6L MIL Lamp on VIN: WMWZC3C53E
P0171: System lean. Howdy Y'all, This Mini Countryman S has given us problems with a lean code. 2bc0 or 2bco (not sure about the last digit). My scanner doesn't show the kind of voltage I'm used to seeing. Does go from 1-2 volts. Not very fast. I have one ordered (Bosch) is O...
September 07, 2022
2014 Mini Cooper Countryman S 1.6L MIL Lamp on VIN: WMWZC3C53E
P0171: System lean. Howdy Y'all, This Mini Countryman S has given us problems with a lean code. 2bc0 or 2bco (not sure about the last digit). My scanner doesn't show the kind of voltage I'm used to seeing. Does go from 1-2 volts. Not very fast. I have one ordered (Bosch) is O...
September 14, 2022
2017 Volvo XC90 T6 Momentum 2.0L MIL Lamp on VIN: YV4A22PK5H
P0171: system lean bank 1. Smoke tested intake system at purge solenoid vacuum port on intake manifold. No leaks found.During road test MAF sensor data looked normal. Removed oil filler cap with engine running and found 6 inches of vacuum in crankcase. Replaced oil separator and PCV...
September 21, 2022