P0256


2017-10-10


Description:

  • 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

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