This device is NOT intended for pollution-controlled vehicles. Local, State, and Federal laws may prohibit the removal or disabling of any emission control device on any emission applicable vehicle. When performing computer Self-Test, this device is only intended to prevent codes 81/82 or 552/553. Great for EFI Conversions, Kit Cars, or Race Vehicles where emissions systems are not needed. Fits the following Programable Computer Module (PCM) vehicle applications listed below.