Engine Oil Pressure Sensor/Switch Circuit Malfunction
Verified1 source
1 source
- Official data (NHTSA)official_feed
What P0520 means
Avoid long trips
The oil pressure sensor/switch circuit signal is malfunctioning.
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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Engine Oil Pressure Sensor/Switch Circuit Malfunction
What to check first
- Verify actual oil pressure with a mechanical gauge
- Check oil level and condition
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