DTC P013B: O2 Sensor Slow Response - Lean To Rich Bank 1, Sensor 2
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
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:
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| 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 . | ||