P0152
O2 Sensor Circuit High Voltage Bank 2 Sensor 1
2012-2016 Subaru Impreza 2.0L H4
Moderate SeverityPowertrainGeneric (SAE)
Description
The upstream O2 sensor voltage on Bank 2 is staying high.
Symptoms
- Check Engine Light
- Rich running Bank 2
- Black smoke
Common Causes
- Faulty sensor
- Leaking injector Bank 2
- High fuel pressure
Diagnostic Steps
- Monitor sensor voltage
- Check injectors
- Test fuel pressure
Repair Notes
Replace sensor or fix rich condition.
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
P0152 on Other Vehicles
Common Questions
What does code P0152 mean on a 2012-2016 Subaru Impreza?
P0152 stands for "O2 Sensor Circuit High Voltage Bank 2 Sensor 1". The upstream O2 sensor voltage on Bank 2 is staying high.
What are the symptoms of P0152 on a Subaru Impreza?
Common symptoms of P0152 include: Check Engine Light, Rich running Bank 2, Black smoke.
What causes P0152 on a 2012-2016 Subaru Impreza?
Common causes of P0152 include: Faulty sensor, Leaking injector Bank 2, High fuel pressure.