P0139 Diagnostic Trouble Code Discussion for March 2010
Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
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| Help Request | Posted | |
| 2005 Honda Accord LX 2.4L MIL Lamp on VIN: 3HGCM56415 P0139: Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response. ... on, P0139 O2 sensor slow to respond Bank 1 Sensor 2. Checked circuits and scoped signal, was slow to respond, replaced with Honda Sensor. Retested ok. Came back today, same code, only everything retests just fine! What am I missing? Heater circuit and grou... |
March 08, 2010 |
