doomidentity

hey, well my mazda has done the same thing as what i have read, i have went thru and changed the timing belt the ditributor, wires plugs, i herd that the wiring diagram in the book is not right, well, im tired of working on this car and would like to drive it, i have also replaced the fuel filter, and i think that is all i can think of, i really dont know what is up but if i coul;d get the salution that would be great, i get spark but does not start, any ideas!!!!!!!!!!!!!!!!!