P1153
Air/Fuel Sensor Circuit Response Bank 1 Sensor 2
2002-2010 Lexus SC 430 4.3L V8 🇩🇪
Moderate SeverityPowertrain
Description
The downstream A/F sensor is switching too slowly.
Symptoms
- CEL
- Failed emissions
- Poor efficiency
- Rough idle
Common Causes
- Aging sensor
- Degraded catalytic converter
- Exhaust leak
- Wiring damage
Diagnostic Steps
- Monitor sensor switching
- Test catalytic efficiency
- Check exhaust leaks
- Inspect wiring
Repair Notes
Replace sensor or diagnose catalytic converter.
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
P1153 on Other Vehicles
Common Questions
What does code P1153 mean on a 2002-2010 Lexus SC 430?
P1153 stands for "Air/Fuel Sensor Circuit Response Bank 1 Sensor 2". The downstream A/F sensor is switching too slowly.
What are the symptoms of P1153 on a Lexus SC 430?
Common symptoms of P1153 include: CEL, Failed emissions, Poor efficiency, Rough idle.
What causes P1153 on a 2002-2010 Lexus SC 430?
Common causes of P1153 include: Aging sensor, Degraded catalytic converter, Exhaust leak, Wiring damage.