P0677

2017-10-10

Description:

  • The fault code P0677 indicates that there is an issue with the glow plug circuit for cylinder 7 in the diesel engine. This may cause difficulty in starting the engine, rough idling or decreased power output.

Possible Symptoms:

  • Difficulty in starting the engine

  • Rough idling or stalling

  • Reduced power output

  • Illuminated check engine light.

Possible Causes:

  • Failed glow plugs in cylinder 7

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed glow plug control module

  • 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 plugs in cylinder 7

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the glow plug control module if necessary

  • Replace the engine control module (ECM) if necessary

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