To fix the car engine, you need know about the problem and you should test the car engine. The car engine P2072 Code is found from the car engine and it is meaningful. So, collect the real meaning of the code and solve the car engine’s problem by the real meaning of the code. The automobile dictionary meaning of the code can be used and it is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 0 for Fuel And Air Metering. 7 for Vehicle Speed Output Circuit and 2 for A/C System High Pressure High Temperature.