Well I will save you .99c. There is a plug right by your throttle body that has two prongs. Just unhook it, tape up the male end and stick a jumper wire of any size that fits in the other end and you have your .99c chip. Same thing. Oh yea, just ignore that check engine light. No problem. The instructions that comes with the chip will tell you the same thing. If you decide to take it out just kill the battery for a couple of mimutes and that will get rid of your check engine light. good luck.