P0256
Injection Pump Fuel Metering Control B Malfunction
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
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What P0256 means
- The fault code P0256 indicates that there is a problem with the fuel metering control circuit that controls the injection pump for the engine. This can cause the engine to operate poorly or not start at all.
Possible symptoms
- Difficulty starting the engine
- Poor engine performance
- Illuminated check engine light
- Engine stalling or shutting off unexpectedly
- Reduced engine power or acceleration.
Possible causes
- Faulty injection pump
- Dirty or clogged fuel filter
- Restriction in fuel supply system
- Malfunctioning fuel control actuator
- Damaged wiring or connections in the fuel metering control circuit
- Failed engine control module (ECM)
Related parts
- Fuel Pump: The fuel pump takes fuel from the fuel tank and delivers it to the engine. Problems in this car's fuel pump may lead to engine misfire, poor fuel economy & poor acceleration
Possible solutions
- Replace the injection pump if necessary
- Clean or replace the fuel filter
- Remove any restrictions in the fuel supply system
- Replace the fuel control actuator
- Check and repair any damaged wiring or connections in the fuel metering control circuit
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0256 on OBD DashX
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