P0139 OBD Trouble Code
1 result found
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | HO2S Circuit Slow Response Conditions |
| Location | Bank 1 Sensor 2 |
| Cause | No PCM codes set, test not completed for current ignition cycle, Low Coolant Level not on, then the PCM detected the Bank 1 HO2S-12 average time to change from L-R of more than 150 ms. |
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