http://cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FI&P=101
http://cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FI&P=103
http://www.supramania.com/forums/showthread.php?t=46793&highlight=remove+throttle+body
Everything you need to know about the code 51.
Code 51 is your TPS. Probably from adjusting that "idle screw" as you put it. If its the screw I'm thinking it is(throttle stop screw) than you need to adjust it. Back out the throttle stop screw until you see space between it and the throttle lever. Then bring the screw in until it touches and...
If you did'nt change the plugs when you got it you should. Change the wire well you're at it. Timing It will probably help i'll let someone else explain that IDK what it's suppose to be set at on a 1jz.
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