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2018 LINCOLN MKX

2.7L V6 EcoBoostAWDAUTOMATICgasturbo
5 active safety recalls on this vehicle — view recalls
Repairs0Labor511Torque3949Fluid9DTC966Battery0Maintenance0Recalls5
P0521high severityPowertrain

Engine Oil Pressure Sensor/Switch Range/Performance

on 2018 Lincoln MKX 2.7L V6 EcoBoost · AWD

What this code means

Oil pressure sensor reading is out of expected range.

Symptoms

  • Oil pressure gauge erratic
  • Warning light flickering

Common causes

  • Sensor fault
  • Oil pressure fluctuating
  • Worn oil pump
  • Wrong viscosity oil

Diagnostic steps

  1. Test with mechanical gauge
  2. Check oil level and condition
  3. Test sensor
  4. Verify correct oil viscosity

Repair notes

Verify actual pressure. Replace sensor if pressure is good.

Other Powertrain codes on this vehicle

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