Vehicle towed in due to poor running and flashing check engine light. Found only code P0300. Watched data and found #6 and #8 on bank 2 and #7 on bank one as a constant miss. Swapped coils in 6 and 8 with 2 and 4, no change. Replaced plugs in 6 and 8, no c...

FIX posted 2/20/2020

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