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Old 12-16-2010, 03:30 AM   #2
907mge
20psi boost
 
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The o/d off light flashing is a warning and code indicator for the transmission. Here is the Toyota repair manual for a 1990 but should point you in the right direction.

http://www.cygnusx1.net/Supra/Librar....aspx?S=AT&P=1
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