Fault codes › P0271

P0271

Cylinder 4 Injector Circuit High

Generic code Injector Circuit High severity Hard repair
Free on OBD DashX

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iWhat P0271 means

  • 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
Free on OBD DashX

P0271 on OBD DashX

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