You must not keep unfixed the car engine problem. Solve the car engine problem when you detect the problem and take it to automobile repair center. For your car engine, the car engine P0920 Code is found and you need to use the meaning of the code what makes the thing easier. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 9 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 0 for Transmission Engaged At High Throttle Angle.