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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor995Torque7006Fluid18DTC3796Battery2Maintenance0Recalls14
P0257high severityPowertrain

Injection Pump Fuel Metering Control 'B' Low (Cam/Rotor/Injector)

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The PCM detects a low signal in the diesel injection pump fuel metering control circuit 'B'. This can cause incorrect fuel delivery and poor engine performance.

Symptoms

  • Engine hard to start
  • Reduced power
  • Rough running

Common causes

  • Faulty injection pump metering control valve
  • Wiring or connector fault in circuit B
  • Corroded or loose connectors
  • Faulty PCM

Diagnostic steps

  1. Scan and record freeze frame data
  2. Inspect injection pump wiring and connectors
  3. Test metering control circuit B for low signal
  4. Replace faulty component or repair wiring
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