i got a used gsr 94 obd1 ...80 bux...i had idle problems with my car so i switch out alot of stuff but i still have IDLE problem...so i guess it still works! u won't find it at anyjunkyard but u probly can get and obd1 for 75 bux at junkyard not for gsr gearheadmike had one too...ask him...cuz i was bout to buy his but it's not same a gsr.