cords12000

Hi every one,I have a 1997 tdi (90)It has stopped working.First of all it just would'nt start,thought it was heater plugs,brought new plugs and fitted.Started the engine..all ok. Stopped it,then tried to start 1 min later and would'nt go. leave for 24hrs it would start,stop and try to start again ..no chance. Have had injectors tested,new 109 relay fitted!!!!! please help me neil