The engine U1110 Code is important thing. It is important to find the real meaning of the code. Without using the car engine meaning, it is not possible to fix the car engine problem fast. Do not any meaning of the code what you do not know. The right meaning of the code is found in the car engine manual. You need to find the car manufacturer name and model number of the car. You can easily automobile meaning if your car is not from a popular brand. You can use google or any other search tool for finding the general meaning of the code.