P1226 GMC - Injector 2 Output Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Fuel Injector 2
  • Fuel Injector 2 harness is open or shorted
  • Fuel Injector 2 circuit poor electrical connection

Tech notes

There is a factory service bulletin for the following models:

2004-2005 Chevrolet Kodiak
2004-2005 Chevrolet Silverado
2004-2005 GMC Sierra
2004-2005 GMC Topkick

Chevrolet and GMC Factory Service Bulletin OBDII Codes P1223, P1226, P1229, P1232, P1235, P1238, P1241 or P1244

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine Misfire
  • Rough Running

P1226 Gmc Description

Injector 2 Output Circuit is the generic description for the P1226 Gmc code, but the manufacturer may have a different description. Currently we have no further information abouth the P1226 Gmc OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
OBDII Code P1226 Gmc - Injector 2 Output Circuit - AutoCodes.com

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P1226 GMC Comments

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