2004 mazda 3 2.3 engine
 

I am new here and needing some fresh ideas...I have an 04 mazda 3 with 2.3 and have a miss on cylinder 2...I have replaced engine wiring harness,pcm,crank sensor,cam sensor and all 4 coil packs and plugs...cylinders 1,3,4 will fire but nothing from cylinder 2...any help would be appreciated