Sorry to hear you're still off the road BC!
I thought of your MAF sensor issues too, hopefully they've ruled that easy fix out already...
That or a bad coil pack could be the culprit, but I'm sure IPF's ace mechanics are all over it!
Airaid CAI, Rx ported TB, Mace ported IM, JBA shorty headers, Richmond 3.73, Borla touring axleback, Hurst short throw, NH-SS fix, IDEALG clutch m/c, SS struts/springs, Spohn trailing arms, Pfadt Racing sways, Pedders radius arm & rear subframe bushing inserts, 2LT gauge pkg.TSW Nurburgs. IPF S/C