1998 Infiniti i30 Nissan Maxima engine just shuts off occasionally?

1998 Infinity I30 starts up runs fine power seems a little off lately all of a sudden the engine begins to sputter and dies this happened twice in one month now it happened and its hard to start well i got it to start got it home checked out the fluids and checked the intake hoses and maf to see if anything was loose tried to restart and it a no go now any ideas