Just throwing this out... were assuming 4.10 gearing...
Your an AUTO you may have 4.30 tucked in the axles... this would help somewhat to begin....

I grabbed a parts truck 87 Auto EFI had 4.30's

I'll post the codes in a sec.....


aka FireNIce
84 Runner 33" Swamper LTB, 4.30's, Spool in Rear, Lock-Right soon in front exo-caged, 4" lift.
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