P1131 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Lack of HO2S Switches, Sensor at Lean Limit Conditions |
| Location | Bank 1 Sensor 1 |
| Cause | Engine running in closed loop, then the PCM detected that the HO2S-11 signal did not switch because the fuel control system is at its lean limit |
Try also: https://www.obd-codes.com/p1131
