need help

i own a 92' 3000gt and i was looking for the computer tester. is there anybody out there that can give me reference to go to certain web page or phone number where i could find it.
Thanks in advance
MF2

what you can try is your local mechanic or auto parts store... like Napa auto parts... my friends works there and they have one where he works

What do you mean by a "computer tester"? Do you mean a diagnostic scanner? .....Or something else?