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P1174 Diagnostic Trouble Code Discussion for July 2014

Fuel Trim Cylinder Balance


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Trouble Ticket Help Requests for DTC P1174
Help Request Posted
2008 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 2GCEK13388
P1174: unable to control fuel trim bank 1. ... switching and not setting codes, only code P1174 keeps coming back within 2 miles. Short term fuel trims are switching + to -. Long term is -24. Not setting any other codes. I have read the tsb about he injectors, but I don`t they are the cause. I have no ...
July 30, 2014