Cold started car, ran fine for a few seconds and then began to misfire, Swapped coils 1&2 and still had misfire Codes: 29CC: Misfire several cylinders, 29CD,CE, CF: combustion misfire, cyl 1,2,3 Swapped the coils in reverse order 6-5-4-3-2-1 and the misfire disappeared. Reordered them to the original setup 1-2-3-4-5-6 and the car ran fine with no codes