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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P0041 - Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2

P0041 - Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2

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P0041 - OXYGEN SENSOR SIGNALS SWAPPED BANK 1 SENSOR 2/BANK 2 SENSOR 2

Description:  The heated oxygen sensor (HO2S) monitor determines if the HO2S signal response for a fuel shift corresponds to the correct engine bank. The test fails when there is no response from the HO2S being tested.
Possible Causes: 
  • Crossed HO2S harness connectors
  • Crossed HO2S wiring at the harness connectors
  • Crossed HO2S wiring at the PCM connectors
Diagnostic Aids:  Connect the HO2S connector to the correct bank.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - refer to PINPOINT TEST DW . -