P0520high severityPowertrain
Engine Oil Pressure Sensor/Switch Circuit
on 2018 Lincoln MKX 2.7L EcoBoost V6 · AWD
What this code means
Malfunction in the engine oil pressure sensor circuit.
Symptoms
- Check Engine Light
- Oil pressure warning light on
- Gauge reading incorrect
Common causes
- Faulty oil pressure sensor/switch
- Wiring damage
- Low oil level
- Low actual oil pressure
Diagnostic steps
- CHECK OIL LEVEL FIRST
- Test oil pressure with mechanical gauge
- Test sensor resistance
- Inspect wiring
- Check oil pump condition
Repair notes
ALWAYS verify actual oil pressure with mechanical gauge first. Low oil pressure can destroy an engine.
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