1996 Volkswagen Golf "gti wont start chip" Questions

...gti wont fire up i have a 1996 golf gti 2litter 8 valve and it wont star. it cranks over but there is no spark from the coil lead. iv changed the coil pack and still no good. also it does'nt sound ...

...gti 1996 sometimes wont start ,no spark then try again later and it starts and runs normal have changed crankshaft hall sensor .still the same.can run for days then wont start for a day,i wonder if ...