The automobile meaning of the engine P204F Code is found online and the automobile dictionary meaning of the code is P for Powertrain Code – Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 0 for Transmission. 4 for Control Module Throttle Actuator Position Performance and F for TFP Valve Position Switch-Drive Without Drive Ratio. The engine code P204F OBD2 reports a sensor problem, extra of the sensor is improbable to resolution the underlying problem. The responsibility is most likely to be produced by the systems that the sensor is intensive care, but might even be produced by the cabling to the sensor itself.