P2190 OBD II Trouble Code System Too Rich Off Idle Bank 2
Symptoms of P2190 OBD II Trouble Code
- Malfunction Indicator Lamp (MIL) illuminated
- Lack of power
- Occasional misfire
- Poor fuel economy
Common Causes of P2190 OBD II Trouble Code
- Faulty air/fuel ratio sensor/oxygen sensor (AFR/O2)
- Faulty mass airflow sensor (MAF)
- Rarely - faulty Powertrain Control Module (PCM)