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  1. MKIV Technical
    Hello everyone! I’m new to this forum so excuse my formatting if it’s incorrect. I have an 87 Supra Sportop with the 7MGTE. Since I first bought the car less than a month ago it has had idle issues, to the point of stalling only AFTER the engine warmed up. There was no CEL. I first checked the...
  2. MKIII (1986.5-1992)
    Can anybody explain what the Stock ECU does when you have the AFM unplugged? Like what is it doing with fueling and timing and such. Car runs terrible with AFM plugged in and vacuum around -15. unplug it, Idles great, Vacuum and AFRs are good/on the rich side. Plug AFM in it dies/ will not stay...
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