P0139
O2 Sensor Circuit Slow Response Bank 1 Sensor 2
2000-2002 Rolls-Royce Corniche 6.75L V8
Low SeverityPowertrainGeneric (SAE)
Description
The downstream O2 sensor on Bank 1 is responding too slowly.
Symptoms
- Check Engine Light
- Failed emissions
Common Causes
- Aging sensor
- Contaminated sensor
- Catalyst issue
Diagnostic Steps
- Monitor sensor response
- Check catalyst efficiency
Repair Notes
Replace downstream O2 sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0139 on Other Vehicles
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Seraph
1998-2002 5.4L V12
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code P0139 mean on a 2000-2002 Rolls-Royce Corniche?
P0139 stands for "O2 Sensor Circuit Slow Response Bank 1 Sensor 2". The downstream O2 sensor on Bank 1 is responding too slowly.
What are the symptoms of P0139 on a Rolls-Royce Corniche?
Common symptoms of P0139 include: Check Engine Light, Failed emissions.
What causes P0139 on a 2000-2002 Rolls-Royce Corniche?
Common causes of P0139 include: Aging sensor, Contaminated sensor, Catalyst issue.