HI, my 98 sportage has same problem. I have replaced plugs, coils, wires, computer, and crank sensor, and no change, Cylinders 1 and 3 are dead. let me know if you fixed yours and what problem was. thanks
where the injector harness meets the engine harness there is a connector that like to rust
you will have spark in the cylinder but no injector pulse
by the way the connector is behind the head along the firewall its hard to gain access to it i would check for injector pules before attempting to look at connector
best of luck
also these engines like to jump timing if all else fails check compression and valve timing