2012 GMC Sierra 1500 Questions

All 2012 GMC Sierra 1500 Questions

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The only one that works now is the one closest to the driver.
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 the AiRaid Jr kit ha...