Pfish

I'm newer to having a MS in my car. It's a 94 N/A currently while I try and grasp the concept of tuning before I add the turbo. Currently I seem to be having really weird issues with my idle being perfectly fine some days, and completely **** other days. When it runs perfect the AFR is about 14.5 (sequential injection). When it idles rough is when the AFR (randomly) spikes to 15+. Vacuum also ends up at 21 in/hg or 28 kpa. Then fluctuates a lot. I'm currently set up using CLI and have configured my IAC PWM percentages. But my idle just seems to be off some days and not others. Any tips for things I can check? In addition I am unable to attach the MSQ/MSL file from my phone at the moment.