True, true, and this is the best place to start. Everyone here wants to help. As for the chip, the OBD-1 computer is generic, used in similar cars. But the chip is specific to your car. Engine, trans, AC, everything about your particular car is on it. Don't toss it, the chip and the computer are known to go bad. My Mom's '89 Olds ran through about four of them. Usually the AC quit. Eventually we started grabbing junkyard ECMs and swapping her chip in.We all start somewhere.