I have just installed 15Gs and 550s with SAFC2 and have 12.5 ish afrs at idle, the rest of the fuel curve is fine. Checked most of the usual suspects, fpr, temp sensor etc and everything is fine. Had Supra pump (not hotwired but over ran the fpr so went back to stock for now) Going from -35 to -50 correction will bring afrs to 13.5 ish
It seems everyone runs 550s with no problems, so what' mine ?????????????????? Car ran like a swiss watch prior. PMs
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