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Home >> Ford >> 2020 >> Explorer ST >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Descriptions (Except Diesel & Hybrid) - DTC P0001 - P0238 >> DTC P013C - O2 Sensor Slow Response - Rich To Lean (Bank 2 Sensor 2)

DTC P013C - O2 Sensor Slow Response - Rich To Lean (Bank 2 Sensor 2)

DTC DESCRIPTION P013C - O2 SENSOR SLOW RESPONSE AND RICH TO LEAN (BANK 2 SENSOR 2)

Description:  The heated oxygen sensor monitor measures the response rate of the rear heated oxygen sensor (HO2S) to a rich to lean transition. This DTC sets when the measured response rate is slower than the threshold value.
Possible Causes: 
  • Exhaust leaks before or near the HO2S22
Diagnostic Aids:  This monitor is highly sensitive to exhaust leaks near the rear HO2S. Check for leaks in the exhaust system.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DW .