With the right meaning of the car engine P2228 Code, the car engine problem can be identified. The right meaning of the code is found from the automobile manufacturer related with your car brand. The automobile dictionary meaning of the car engine code can be used for solving the car engine and it 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. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 8 for PCM Stack Overrun. Find the real meaning of the code first for solving the car engine.