sup! Since your car is a 1998, it's an obd2. Remember one thing, all 94-95 ls are obd1 and all 96-98 are obd2, but all 99-01 are obd2b or obd2.5. It might not seem like that, but that's how it is. If I would you i would go for an obd2 since my car is an obd2. Also, it's illegal to swap a...