[Deadboy]

Ok my friend has a problem with a 87 golf. It like this when the engine is cold and u start it one of the cylinders does not get a sparck..........i know change the sparck plug .....its not that....all work....but one does not work when the engine is cold......when it warms up it start and will work + all the plug are black from the tip what could be the problem.....sry about the bad english.....hipe u can help