one more problem i got to add to my list.i tried cleaning my afm with rubbing alcohol now the car wont run almost like the afm is unplugged. so i found a local guy with a 87 turbo supra same as mine and i have his afm electronics and still does the same thing. its got codes 24 and 31 since i cleaned the first one, even with the new one. anybody have any ideas whats going on?