P0674

2017-10-10

Description:

  • The fault code P0674 indicates that there is an issue with the circuit that controls the glow plug for cylinder 4. This may cause the engine to have difficulty starting or may cause the engine to run poorly.

Possible Symptoms:

  • Difficulty starting the engine, especially in cold weather

  • Illuminated check engine light

  • Rough idle or stalling

  • Reduced engine power or acceleration.

Possible Causes:

  • Failed glow plug

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed engine control module (ECM)

Related Parts:

  • Glow Plug: A glowplug is a heating device that helps to start diesel engines. This car's glow plug has a problem which may cause hesitation while starting the car or the car not starting at all

Possible Solutions:

  • Replace the glow plug

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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