PART 10! What do you think is causing this??? This is supposed to be my moment of triumph, but instead, I’m hit with the very real possibility of my build not making it to SEMA under its own power… or at all at this point. Here’s what I knew at the time: P0300 Trouble code: “Random Misfires”, misfires/backfiring sound at idle that gets worse when revving, damaged bank 2 coil pack wire insulation that I (thought) were fully repaired, reused a few JDM sensors (coolant temp/etc.) and a slight vibra

P0171 Trouble Code: System Too Lean Bank 1 Diagnosis