The automobile dictionary meaning of the car engine P2288 Code is important but not very important compare with the real meaning of the code. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 8 for Exhaust Gas Recirculation System Valve 1 and 8 for PCM Stack Overrun. You can use this meaning of the code when the right meaning of the code is not available. You should fix the car engine by help of an automobile engineer.