Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
257
Specific fault index within the subsystem.
Frequently asked questions about P0257
What does P0257 mean?
Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector). The control module judged the Injection Pump Fuel Metering Control B behaviour implausible for the current operating conditions.
Is P0257 generic or manufacturer-specific?
P0257 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0257 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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