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Resources for the Repair and Maintenance of your 2012 GMC Sierra 1500

2012 GMC Sierra 1500

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2012 GMC Sierra 1500 Questions and Answers

willfull04, 2012 GMC Sierra 1500, 5.3L V8, Clovis, NM

Had a DTC code P0171 and P0174 pop today, OnStar said I should be safe to drive home. Codes corresponded to running lean on both banks. Got home and checked it out and found the intake tube from ...

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