Moved to 2 step colder plugs from old NGK 95770s. Car pulls very strong till around 6500 rpm when the misfire occurs. Runs fine and does not experience any of these issues below 6500 rpm - DME active codes: 29D2 - DME: Combustion misfires, cylinder 6. 2DED - DME: Power management, closed-circuit current violation. - DME inactive (shadow) codes: 2AAE - DME: Fuel pump. 30F1 - DME: Superknocking, cylinder 5. - Misc. information - 1/1/2026 MHD 5.15 Adapter: UNI 3.86_3.25 (up to date) Voltage 13.52 V HW: IJE0S Factory software: 7590810 Current software: 7626394 ECU status: - - Readiness - Misfire: Complete. Fuel System: Complete. Components: Complete. Catalyst: INCOMPLETE. Heated Catalyst: Not avail. Evaporative System: INCOMPLETE. Secondary Air System: Not avail. A/C Refrigerant: Not avail. Oxygen Sensor: INCOMPLETE. Oxygen Sensor Heater: Complete. EGR System: Not avail.