I searched on this topic and had some results but now im at a stand still. I need to not have any stored obdII codes Im running olsd I have solve all but one of my problems. The MAF code. Evey time I put all the maf codes to not report the car doesn't run it just dies turn them on to a,b,c and the car runs like it does everyday. What gives? Anyone figure this out yet? I need to pass my OBDII plug in test. I just failed god dam it.