Hello everyone i'm shopping for a computer for my omni i bought one from Cindy a few years ago, today i get nothing from the computer , now i,'m wondering if that is the best place to go for one, i.'m asking because i'm reluctant to purchase one in case it's faulty, what would you do in my case. the car is an omni 86 with up graded wiring for a map under the hood four wire tps, i used to get a code from the computer now i get nothing what do you think. Awaiting your response thank you!!