Refer to the factory service manual for the proper procedure in doing this. B. Once the fuel system’s pressure has been bled off, we are ready to work on the fuel connections for the nitrous system. Using the supplied disconnect tool, remove the factory fuel line quick-connect at the fuel rail. Due to the sensitivity of Chrysler’s newer throttle-by-wire systems, the ZEX™ Nitrous Management Unit may cause intermittent check engine lights on some vehicles if the included TPS resistor wire is not used.
You must install the included white TPS resistor wire between the engine’s Throttle Position Sensor (TPS) output wire and the white TPS wire going to the ZEX™ Nitrous Management Unit. Wiring diagram.
