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Engine-Codes.com | All About OBDII Engine Codes

P1174 GMC

P1174 GMC - Fuel Trim Cylinder Balance Bank 1

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P1174 GMC Comments |  Add Comment
Possible causes
- Faulty Oxygen sensor
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
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Tech notes
There is a factory service bulletin for the following GMC models:

2000-2008 GMC Sonoma
2000-2008 GMC Sierra
2000-2008 GMC Yukon
2000-2008 GMC Yukon XL
2001-2008 GMC Denali
2001-2008 GMC Denali XL
2001-2008 GMC Savana
2002-2008 GMC Envoy
2002-2008 GMC Safari
2002-2008 GMC Jimmy
2000-2008 GMC Factory Service Bulletin OBDII Code P1174
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Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1174 GMC Description

The Engine Control Module (ECM) performs a fuel trim cylinder balance utilizing the HO2S, when the calculated accumulated voltage exceeds a predetermined level this code is set

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GMC Technical Service Bulletins for P1174 code
2007 GMC SIERRA 1500 Fuel System, Gasoline:fuel Injection System:injectors Details
2007 GMC SIERRA 2500 Fuel System, Gasoline:fuel Injection System:injectors Details
2007 GMC SIERRA 3500 Fuel System, Gasoline:fuel Injection System:injectors Details
2007 GMC YUKON Fuel System, Gasoline:fuel Injection System:injectors Details
2007 GMC YUKON XL 1500 Fuel System, Gasoline:fuel Injection System:injectors Details
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