Hey guys, I'm working on a base tune for my Mirage project running an Evo 5 ECU. If you aren't familiar with my build it's a fairly built engine. Tune pertinent parts in the mod list are as follows:

2.3 Stroker build
9.0:1CR pistons
Stock cams (for now to limit power)
70mm Full Blown throttle body
Curt Brown intake mani
Curt Brown cylinder head
stock ex mani
stock turbo with 20G cold side
MUSE 02 dump and megan dp
DSM 450cc injectors (had them laying around)
AEM UEGO wideband
Evo 4 MAF (Scaling is supposed to be the same as Evo 5 so I didn't change any MAF settings)
No exhaust currently


I think that's everything important, but I'm sure I'm forgetting something so just let me know if I need to add something to the list. So here's the deal; the car runs and idles, but something is off as it's idling at 12.0-12.5 afr. A few guys suggested maybe my wideband sensor is off, but based on the fumes I think it's probably accurate. I don't think anything really needs to be changed from the stock tune to get the car running properly other than the injector scaling number and latency which I already set up. It's possible that I got it wrong though as this is my first time setting up an ECU map. Right now the turbo is bypassed and I just have a short ram that I rigged up to get the car running (don't have my IC pipes yet) so it shouldn't be a boost leak or something like that. It's possible that there could be a vacuum leak somewhere; but I'm pretty sure I got everything hooked up, so there really shouldn't be. The car has a good steady idle, it's just using too much fuel. Any ideas guys? Here's my MAF and injector settings in ECUFlash: