The automobile dictionary meaning of the car engine code is found online and the car engine P3430 Code is found from the car engine. So, find the real meaning of the code for solving the car engine but you may use the automobile dictionary meaning for solving the car engine. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 3 for SAE – Generic. 4 for Transmission. 3 for Cruise Control Servo Indicates Low and 0 for Transmission Engaged At High Throttle Angle. Some machines are necessary to use for solving the car engine problem.