P1231 GMC - Injector Circuit Cylinder 4 Intermittent

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Fuel Injector 4
  • Fuel Injector 4 harness is open or shorted
  • Fuel Injector 4 circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1231 Gmc Description

Injector Circuit Cylinder 4 Intermittent is the generic description for the P1231 Gmc code, but the manufacturer may have a different description. Currently we have no further information abouth the P1231 Gmc OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
OBDII Code P1231 Gmc - Injector Circuit Cylinder 4 Intermittent - AutoCodes.com

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P1231 GMC Comments

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