P0131 OBD Trouble Code
1 result found
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | HO2S Circuit Low Voltage Conditions |
| Location | Bank 1 Sensor 1 |
| Cause | Engine running in closed loop, then the PCM detected a negative HO2S voltage known as character shift downward Look for a contaminated HO2S |
Try also: https://www.obd-codes.com/p0131
