P0381

2017-10-10

Description:

  • The fault code P0381 indicates that there is a problem with the Glow Plug or Heater Circuit 'A'. This fault code is generally related to diesel engines. The glow plugs warm up the air in the combustion chamber, which is necessary for starting a diesel engine. If the circuit is malfunctioning, it could prevent the engine from starting or cause poor performance.

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 plugs

  • Wiring or connection issues in the circuit

  • Failed glow plug control module

  • Corroded electrical connections

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 failed glow plugs

  • Check and repair any damaged wiring or connections

  • Clean or replace corroded electrical connections

  • Replace the glow plug control module if necessary

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