1986 240 dl engine stopped while on road won' t restart on 1990 Volvo 240

was driving at 50 mph and engine died turns over but won't start, any ideas fuel pump or fuel pump relay or coil? any ideas/

Asked by for the 1990 Volvo 240
Have a look here for some common causes for this problem: http://repairpal.com/volvo-240-1990/common_problems
2 answers
could be t-belt, it if came out of the blue