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Armani Mattingly

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  1. Armani Mattingly
    I have a 2014 GMC Sierra 1500 and i had a check engine light pop up with the code P219A. The code popped up on the reader saying “Bank 1 Air-Fuel Ratio Imbalance” and maybe 30 seconds later the same code said “Fuel Trim Cylinder Balance Bank 1”. I thought it was my 02 sensors but i did a live graph and all of them are working correctly. I cant figure it out. Anyone had this issue?
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