P0138 OBD Trouble Code
1 result found
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | HO2S Circuit High Input Conditions |
| Location | Bank 1 Sensor 2 |
| Cause | No PCM codes set, engine running in closed loop, throttle angle from 2-40%, all conditions met for 4.5 minutes, then the PCM detected the Bank 1 HO2S-12 signal remained over 900 mv. |
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