987 · Engine

P0522

Engine Oil Pressure Sensor/Switch Low Voltage

HIGH SEVERITY

Oil pressure sensor signal low — may indicate low oil pressure.

SYMPTOMS

  • Check-engine light
  • Oil pressure warning

LIKELY CAUSES

  • Low oil pressure
  • Faulty sensor
  • Wiring short to ground

DIAGNOSIS STEPS

  • Verify with a mechanical gauge
  • Check oil level
  • Inspect sensor and wiring

RELATED PARTS

  • Oil pressure sensor
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