This video explains why ignition coils burn out. The most common reason why ignition coils burn out. If the engine starts to run rough, then the ignition coil may have burned out, one of the most common reasons for this is worn spark plugs. If the spark on the ignition coil fails, then it may have burned out because there were large gaps on the spark plugs.
Part 3 of the video why coils burn out https://clck.ru/WXys7