P013A - O2 Sensor Slow Response - Rich To Lean (Bank 1 Sensor 2)
DTC DESCRIPTION P013A - O2 SENSOR SLOW RESPONSE - RICH TO LEAN (BANK 1 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: |
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| 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. | ||