Terrible problem may trigger due to the engine problem and the engine code gives idea of the engine problem. The engine P0286 Code also found in the car engine when the car engine is checked and the engine code helps to identify the location of the car engine. The engine code is set in many car engines and meanings are not same at all. Different car manufacturers set different meanings of the code and for this reason, you should find the meaning of the code from your car manufacturer. Do not allow any meaning of the code from other manufacturers or automobile dictionary meaning.