The engine P2073 Code has several meanings and the right meaning of the code is used most. The automobile dictionary meaning of the code also used for solving the car engine. If you do not find the right meaning of the code, you can use automobile dictionary meaning 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 3 for Transmission Control Module Reprogrammable Memory. The automobile dictionary meaning of the code is useful but not fully right thing for solving the car engine.