P0152moderate severityPowertrain
O2 Sensor Circuit High Voltage Bank 2 Sensor 1
on 2018 Lincoln MKX 2.7L EcoBoost V6 · AWD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1