my car started misfireing, and after poping the bonnet there was a clicking coming from the coil. on closer inspection i could see it sparking where it had burnt through the rubber boot which goes round the ht lead. so i replaced it with a new one which seemed to solve the problem, but its started doing it again. is it just a case of replacing the coil or could there be another problem?
i know i have some spare coils, but i cant find them
