Do not drive the car with the car engine problem. It needs test to know the cause of the car engine’s problem. The car engine P0985 Code is found by the test of the car engine. However, I have found this engine code. The automobile dictionary meaning of the code is not perfect for your car engine problem. You may learn some information from the automobile dictionary meaning and it is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 9 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 8 for Exhaust Gas Recirculation System Valve 1. 5 for Park/Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit.