Symptoms of P0020 OBD II Trouble Code
- Check Engine Light illuminated (Malfunction Indicator Lamp)
- Rough running
- other symptoms may also be present
Common Causes of P0020 OBD II Trouble Code
- Faulty oil control valve (OCV)
- Open or short in the VVT/VCT circuit
- Open or short in the OCV / solenoid valve
- Damaged computer (PCM)