Ok Check this out. Today I went to Advance autoparts and bought a rem. MAF. installed it, along with the new Press. reg. re-set the PCM started the car, went for a drive and Bam 172/175. My son is nearly completed his automotive training, he is enrolled in the Ford Program. (I know...) I called him and told him that I was about to give up and was going take it into the shop. One of the technicians (that he is currently apprenticing under) mentioned that the contours had big problems with the insulation around the wires, cracking leaving the wire bare. Well I have noticed alot of this. Today I pulled the PCM Plug (now I'm not saying that this is the fix) rotated the harnness so that the wires are a bit more relaxed plugged into the PCM. You ain't going to belive it... I drove the car all day doing the Honey Do thing, logged over a 100 miles and no CEL. the only problem I have noticed inconcistant ideling when coming down from a higher RPM. The more I look into the harness the more bare wire I am finding.
Strange but true..