I've checked that it's getting a spark, new leads, plugs, dizzy and rotor arm, checked the resistance over the injectors and they all read out the same.
the engines a D14A4 with 45k miles on the clock, I'm at a loss here don't know what else it can be

 

Have you checked compression yet?

You say number 2 and 3 are getting spark correct? so all 4 cycliners have spark?

 

can't get the compression tester to tighten up due to the spark plug chamber being tight.
checked the voltages on the injector leads and there not gettin a +ve pulsing so thinking its the injector driver is gone