P1150
Air/Fuel Sensor Circuit Range Bank 1 Sensor 2
2001-2007 Toyota Highlander 2.4L I4
Moderate SeverityPowertrain
Description
The downstream A/F sensor Bank 1 Sensor 2 is outside expected range.
Symptoms
- CEL
- Poor fuel economy
- Increased emissions
- Rough running
Common Causes
- Faulty sensor
- Exhaust leak
- Contaminated sensor
- Catalytic converter issue
Diagnostic Steps
- Test sensor output
- Check exhaust
- Inspect wiring
- Monitor fuel trims
Repair Notes
Replace downstream A/F sensor.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1150 on Other Vehicles
Common Questions
What does code P1150 mean on a 2001-2007 Toyota Highlander?
P1150 stands for "Air/Fuel Sensor Circuit Range Bank 1 Sensor 2". The downstream A/F sensor Bank 1 Sensor 2 is outside expected range.
What are the symptoms of P1150 on a Toyota Highlander?
Common symptoms of P1150 include: CEL, Poor fuel economy, Increased emissions, Rough running.
What causes P1150 on a 2001-2007 Toyota Highlander?
Common causes of P1150 include: Faulty sensor, Exhaust leak, Contaminated sensor, Catalytic converter issue.