The general menaing of the engine code is dictionary menaing. It is very easy to get the general menaing. For the general meaning of the code, you need to visit the online. You will get the general menaing of the P013A Code also. The general menaing of the code is P for Powertrain Code – Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 1 for Fuel And Air Metering. 3 for Low Coolant Circuit a – TFP Valve Position Switch-Drive Without Drive Ratio. Now you can easily solve the car engine if you know the real information and have all tools.