Checking and setting the TPS is two different things from what I've learned, have you done this http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FI&P=101
My bet is on TPS needing adjustment, or timing, if you didn't time it with a light you should and with the jumper wire on which ever terminals the TSRM says in the Diagnostic box.
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