2011 Mustang GT Auto Misfire
A brief history:
Noticed misfire. Engine light came on with codes P0302, P0304, and P0300. Replaced plugs with NGK Laser Iridium plugs from American Muscle gapped at 0.054". No help. Engine light again, same codes. Replaced coils with Accel Super Coils. No help. Took to Ford. Misfires in cylinders 1, 2, 4, & 5. Mainly 2 & 4 still. Had Ford perform TSB 13-6-15. No help.
Any ideas? Thinking of TSB 11-3-31 and/or replacing crank position sensor.