1G Cyl 3 spark, fuel, compression but no fire

[awd_some]

After swapping a unknown but supposedly freshly rebuilt long block into my 94 Talon ES 2.0NT, I’m having an odd issue with cylinder #3 not firing at all.

What I’ve tested/tried:
Full 150+ psi compression on all cylinders
Plug wire is making plenty of spark
Injector has been swapped out with others and confirmed good
Injector is ‘clicking’ so it appears to be a hood harness & driver
Swapped a few different plugs in and it does look pretty dry after cranking for a bit.

At this point I’m looking for a few fresh ideas to try without spending a lot of more time on this NT

 

[petrosian]

This specific issue has happened a few times before to others on the forum here. Have you checked these out?:

—>Old thread but good info
—>Another one!

 

[DSSA]

After swapping a unknown but supposedly freshly rebuilt long block into my 94 Talon ES 2.0NT, I’m having an odd issue with cylinder #3 not firing at all.

What I’ve tested/tried:
Full 150+ psi compression on all cylinders
Plug wire is making plenty of spark
Injector has been swapped out with others and confirmed good
Injector is ‘clicking’ so it appears to be a hood harness & driver
Swapped a few different plugs in and it does look pretty dry after cranking for a bit.

At this point I’m looking for a few fresh ideas to try without spending a lot of more time on this NT

You have a good injector, but a dry well and no firing---I would stick a noid light on that injector wire to make sure that you're actually getting a signal and it's firing.

I'm guessing you'll be back-tracing through the system (wiring, ECU, CAS) to figure out why the injector *isn't* actually firing.