Missfire at idle at first start up in the morning

[clever240sx]

Ive been having a problem with my Sr when i first start it up in the morning(or when motor is cold). Ill start it up and it idles semi- fine but when i step on the gas it cuts out then clears itself up and revs like its suppose to . Ive replaced the following already: Plugs, fuel filter, and iacv.
Here's a layout of some stuff that is done to the motor that may be the culprit to the problem: Split fire coil packs with P2M grounding cover, power Fc standalone with commander, z32 maf. The car has been dyno tuned and throws near perfect AFRs. But i was wondering if it was the timing because the CAS is retarded as far as it can go. It also seems to rev slow in the lower RPMs. But thats how they set it where it got tuned. If anyone may know of what the problem could be please post up.

[clever240sx]

Also the o2 sensor is not reading any voltage on my PFC

[Blown240sx]

Mind sending me the tuning File?

Make sure under the Settings area in the PFC the O2 feedback is turned off

Also why is the CAS maxed out?

Lastly try the Coolant Temp Sensor

[clever240sx]

Not sure how to get the tuning file? I dont have datalogit. Also not sure why they maxed out the cas all the way retarded? I have a gt3076 on it and i doesnt spool til 4500. He said the cams were the reason why it spools so high( i have 272s)

[Blown240sx]

full boost at 4500? Thats not bad spool time for a 3076 on an SR.

Check under ETC. or Settings on the commander hand controller and turn O2 feedback off.
Try replacing the water temp sensor. Not the single wire one but the 2 wire one.

[clever240sx]

No it starts spooling around 4-4.5k. FUll boost doesnt hit til around 6k. But ill check that temp sensor. Thanks!

[Blown240sx]

Well if you can get the tuning file I can look at it and see whats going on. There shouldnt be any reason your CAS is maxed out unless the base timing was set incorrectly.