P0521
High severityEngine Oil Pressure Sensor/Switch Range/Performance
Quick answer
P0521 (Engine Oil Pressure Sensor/Switch Range/Performance) means: The oil pressure sensor reading is out of range — verify real oil pressure as a precaution. Check oil level immediately; confirm actual pressure before driving hard. Typical Malaysia repair cost: RM200–RM800 (approximate).
Symptoms
- •Oil pressure warning
- •Check engine light
Likely causes
- •Faulty oil pressure sensor
- •Low oil level
- •Genuine low oil pressure
- •Wiring fault
Can I drive?
Check oil level immediately; confirm actual pressure before driving hard.
Estimated repair cost (Malaysia)
RM200–RM800 (approximate)
This is general information, not a diagnosis. AutoMalaya OBD helps explain your car’s actual scan data; a qualified mechanic may still need to inspect the vehicle.