When you clean the maf make sure you clean the little hole that has the little wires in it above the big hole with the screen across the opening. The ford mec. uses break cleaner said that it cleans the gunk more aggressively. As far as the codes with the O2 sensors after putting new ones on I...
I had same problem with my 93. My neighbor who is a ford mechanic with 45 years exp. could not find the problem when he put it on the ford scanner. It would not show a code. I had this problem for about four months, finely it sent a code for the ignition system. After some testing of equipment...