Do not use wrong meaning of the car engine P2487 Code for solving the car engine. You should not pick any meaning of the car engine code for solving the car engine. The automobile dictionary meaning of the code is available and it is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 4 for Transmission. 8 for Exhaust Gas Recirculation System Valve 1 and 7 for Cruise Inhibit Control Circuit. However, you can use this general meaning of the code for solving the car engine. Otherwise, you may face different problems in the car engine if the meaning is wrong.