1993 Subaru Other

I have a 93 subaru loyal, 5 spd. I'm having an isue with fule system, timing or ignition, it won't start, the fule pump stoped cycling, and when I hooked direct power to the fule pump the fule presure is back and the car kinda fires but back fires out the throttle body. I do not have any experience with thease horozontally apposed motors, but it almost sounds like it's out of time, like the timming jumped a tooth or somthig to that affect, I do not know if it's timed directly, or with a belt/ chain. Any info you could tell me would be helpfull,
thank you
May 11, 2007.

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