P0271

2017-10-10

Description:

  • The fault code P0271 indicates that there is a high voltage in the circuit controlling the fuel injector for cylinder 4. This can cause issues with the fuel mixture and may impact the engine's performance.

Possible Symptoms:

  • Engine misfires

  • Illuminated check engine light

  • Decreased fuel efficiency

  • Engine runs rough or stalls

  • Reduced engine power or acceleration

Possible Causes:

  • Failed fuel injector for cylinder 4

  • Wiring or connection issues in the fuel injector circuit

  • Loose or corroded electrical connections

  • Failed powertrain control module (PCM)

Related Parts:

  • Fuel Injector:

Possible Solutions:

  • Replace the fuel injector for cylinder 4

  • Check and repair any damaged wiring or connections in the fuel injector circuit

  • Tighten or clean any loose or corroded electrical connections

  • Replace the powertrain control module (PCM) if necessary

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