I'd figure that I'd get more responses here.

I drive a Turbo ITR and my tuner sent me back from the dyno because of slight misfires and bad wiring.
Everytime at idle I notice slight misfires and notice it more as I rev it up. It doesn't stutter when I drive it but I notice the loud misfiring noises from the exhaust.

I redone the wiring on my fuel injectors and ECU. I have a fairly new distributor and sparkplug wires. I replaced the sparkplugs with brand new NGKs at the proper gap. Now I'm at a dead end. I have no idea what it is. I did notice my map sensor was a little loose and it only have one screw. I tightened the loose screw but theres still one screw missing. Could that cause little misfire?

Please help.

 

First thing: Get a new tuner, 'cause yours suck!

second:
-check to see of your spark plugs are gapped properly or run colder plugs or both.
-you may simply be running too rich, lean out the map a bit.
-timing is off

A good tuner should be able to spot any of these things!

 

mine does this a lil bit too, but im N/A how do I lean out my own car a bit with on my VAFC2? Don't mean to jack ur thread just might help us both out cuz I think my tuner isn't good either.