P0004

2017-10-10

Description:

  • The fault code P0004 indicates that there is an issue with the circuit that controls the fuel volume regulator. This may cause the engine to have inconsistent fuel pressure, which can result in poor performance or stalling.

Possible Symptoms:

  • Illuminated check engine light

  • Decreased fuel efficiency

  • Poor acceleration or power

  • Stalling or difficulty starting the engine

Possible Causes:

  • Faulty fuel volume regulator

  • Shorted or open circuit in the wiring

  • Failed engine control module (ECM)

  • Corroded or damaged connector pins

Related Parts:

  • Fuel Volume Regulator: Fuel Volume Regulator controls the amount of fuel in the fuel injectors. This car's regulator has a problem which will lead to poor fuel economy & engine stalling

Possible Solutions:

  • Replace the fuel volume regulator

  • Check and repair any damaged or corroded wiring or connections

  • Replace the engine control module (ECM) if necessary

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