The automobile dictionary meaning of the car engine P2507 Code is found online and the meaning of the car engine code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 5 for Computer And Auxiliary Outputs. 0 for IC Circuit High Voltage and 7 for Cruise Inhibit Control Circuit. The car P2507 engine code is a kind of powertrain problem. The main multi-displacement system stopped conflicting pairs of cylinders, permitting the engine to have 3 dissimilar configurations and movements. The car engine P2507 code had an sumptuous diagnostics process, including presentation engine trouble codes on the air conditioning display.