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Whoah, that's a nice collection of SC parts you got there pardner!
Actually, that Fidanza makes my mouth water. Mm mm m . .. . Fidanza . . . . .
I think you may have made the same mistake that I did with my swap and upgrades. I did too many things to the engine all at one throw. As a result, I sent it to a garage for four months because I was beyond ready to throw in the Towel. And you are about to throw in a whole new level of complexity with a programable stand-alone EMS. With due respect, I think you are jumping the gun on the EMS.
When you do upgrades one at a time, you get pretty good feedback on that bit of work. When you throw a half dozen at it at once, . . . its even probable that one Mod. exaggerates the problem that another Mod. is causing.
O.K. getting off my soapbox, lets look at your bouncing idle problem.
1. Pull codes off ECU, there's a sticky in this website on a low (no tech) tech way to do it.
2. Double check TPS for adjustment and Ohm resistance between terminals to be within Spec.
3. Listen for Vacuum leaks, or spray a small quantity of brake cleaner at suspect areas. Listen for engine idle to change slightly.
4. Find and correct the fuel leak. Its most likely located in or around the fuel rail.
5. Pull ABV out and test function with vacuum guage. They can get totally gummed up over a couple of decades. It might need cleaning inside.
I and quite a few others cheer on your efforts and accomplishments with your swap!
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