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?
My 2014 GMC Sierra has 80k miles and just recently started having a rough idle and seems to be missing right around 15 mph when accelerating. Today i was driving and it seemed as if it lost power while pressing the gas and the missed for a second and finally caught on and proceeded foward with a jolt
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