The engine P20F5 Code comes on the engine code reader for powertrain problem from the car engine. An automobile engineer has the experience for solving the car engine problem. For solving the car engine, some expensive machines are necessary to use. Without getting the genuine meaning of the code, it is little difficult for solving the car engine. You need not to use the general meaning of the code. The general meaning or the dictionary meaning of the code is found from the online and these are not necessary to use for solving the car engine problem. Depending on the manufacturer and model number, the meaning of the code changes.