O2 Sensor Circuit High Voltage Bank 2 Sensor 1
2016-2016 Ford Explorer 3.5L V6 EcoBoost
The 2016 Ford Explorer is equipped with a 3.5L V6 turbocharged gasoline engine. Below you'll find detailed p0152 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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 2016-2016 Ford Explorer?
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 Ford Explorer?
Common symptoms of P0152 include: Check Engine Light, Rich running Bank 2, Black smoke.
What causes P0152 on a 2016-2016 Ford Explorer?
Common causes of P0152 include: Faulty sensor, Leaking injector Bank 2, High fuel pressure.
Last updated: March 2026
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