P054E

2017-10-10

Description:

  • Idle Control System Fuel Quantity Lower Than Expected

Possible Symptoms:

  • Check and clean the throttle body and idle control valve

  • Replace the fuel filter to improve fuel flow

  • Inspect and replace faulty fuel injectors

  • Verify and adjust the fuel pressure regulator if necessary

Possible Causes:

  • Malfunctioning idle air control valve

  • Clogged fuel injectors

  • Faulty fuel pressure regulator

  • Vacuum leak in the intake manifold or hoses

  • Dirty or faulty mass air flow sensor

Related Parts:

Possible Solutions:

  • Rough or erratic idling

  • Stalling or difficulty starting the vehicle

  • Reduced engine power or acceleration

  • Poor fuel economy

  • Illumination of the check engine light

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