The engine code is important and meaningful. The engine P1910 Code is found for the testing the car engine and the right meaning of the code gets priority always. You may use the automobile dictionary meaning of the code for solving the car engine and that is found from online. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 9 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 1 for Low Coolant Circuit and 0 for Transmission Engaged At High Throttle Angle.