P0133
O2 Sensor Circuit Slow Response Bank 1 Sensor 1
2004-2016 Aston Martin DB9 6.0L V12
Moderate SeverityPowertrainGeneric (SAE)
Description
The upstream O2 sensor on Bank 1 is responding too slowly to fuel mixture changes.
Symptoms
- Check Engine Light
- Poor fuel economy
- Failed emissions test
- Slight hesitation
Common Causes
- Aging O2 sensor
- Contaminated sensor (oil/coolant/fuel additives)
- Exhaust leak
- Wiring issue
Diagnostic Steps
- Monitor O2 sensor switching frequency (should be >6 switches in 10 sec)
- Check for exhaust leaks
- Inspect sensor for contamination
- Test response to induced rich/lean
Repair Notes
Replace O2 sensor. This is a common wear item.
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
P0133 on Other Vehicles
Aston Martin DB11
2016-2024 4.0L V8 Twin Turbo
Aston Martin DB11
2016-2024 5.2L V12 Twin Turbo
Aston Martin DB7
1994-2003 3.2L I6 Supercharged
Aston Martin DBS Superleggera
2019-2024 5.2L V12 Twin Turbo
Aston Martin DBX
2020-2024 4.0L V8 Twin Turbo
Aston Martin Vantage
2005-2024 4.7L V8
Aston Martin Vantage
2018-2024 4.0L V8 Twin Turbo
Common Questions
What does code P0133 mean on a 2004-2016 Aston Martin DB9?
P0133 stands for "O2 Sensor Circuit Slow Response Bank 1 Sensor 1". The upstream O2 sensor on Bank 1 is responding too slowly to fuel mixture changes.
What are the symptoms of P0133 on a Aston Martin DB9?
Common symptoms of P0133 include: Check Engine Light, Poor fuel economy, Failed emissions test, Slight hesitation.
What causes P0133 on a 2004-2016 Aston Martin DB9?
Common causes of P0133 include: Aging O2 sensor, Contaminated sensor (oil/coolant/fuel additives), Exhaust leak, Wiring issue.