My best guess would be fuel pressure usually the japanese computers are programed to use 100 octane fuel which they have in japane so you might need to bump the fuel press up to correct it.
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88 Civic Sedan cardinal metallic red
" I am so dirty...On the inside " - Trent Reznor
14.729 @ 94.79
60' 2.424 ( Pep-Boys Tires!! )