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P0521 — Engine Oil Pressure Sensor Range/Performance

Oil pressure sensor reading doesn't match expected patterns.

Severity: HighRepair: $20-$300Difficulty: Easy

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Common symptoms of P0521

Common causes of P0521

Repair cost & difficulty

Typical cost to fix P0521: $20-$300 · Difficulty: Easy

Pro tip: Verify actual pressure with a mechanical gauge before assuming sensor fault.

Vehicles commonly affected

All makes

Related trouble codes

P0520P0522P0523P0524

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.