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Home >> Ford >> 2012 >> Transit Connect Base, Van Cargo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P0001 - P0192 >> DTC P013B: O2 Sensor Slow Response - Lean To Rich Bank 1, Sensor 2

DTC P013B: O2 Sensor Slow Response - Lean To Rich Bank 1, Sensor 2

P013B - O2 SENSOR SLOW RESPONSE - LEAN TO RICH BANK 1, SENSOR 2

Description:  During a deceleration fuel shut-off (DFSO) event, the PCM monitors how quickly the rear heated oxygen sensor (HO2S) switches from lean to rich. The measured rate of the lean to rich switch is compared to a calibrated fault threshold value. The measured rate of the lean to rich switch is compared to a calibrated fault threshold value. This DTC sets when the measured value is slower than the threshold value.
Possible Causes: 
  • Exhaust leaks before or near the HO2S
  • Damaged HO2S
Diagnostic Aids:  Check for leaks in the exhaust system.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DW .