Code result

P0256

Injection Pump Fuel Metering Control B Malfunction

High severity

What it means

Injection Pump Fuel Metering Control B (Cam/Rotor/Injector): the control module has detected this fault condition. This affects fueling of the associated cylinders.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Metering actuator B failed

    high

    One of the most commonly reported causes for this code — check this first.

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