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P0251 — Injection Pump Fuel Metering Control A (Diesel)

Diesel injection pump fuel metering circuit fault.

Severity: HighRepair: $200-$3,000Difficulty: Advanced

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Common symptoms of P0251

Common causes of P0251

Repair cost & difficulty

Typical cost to fix P0251: $200-$3,000 · Difficulty: Advanced

Pro tip: Diesel injection pump issues can be very expensive. Verify fuel quality first — contaminated fuel is a common cause.

Vehicles commonly affected

Diesel vehicles

Related trouble codes

See the full code list.

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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.