The C1102 Code is a necessary thing for solving the car engine and it is necessary thing to get the real meaning. The real meaning of the code is available in the manual of the engine and car. The general meaning of the code is available online but it is not very helpful. You need to study on the manual and if you use the dictionary meaning, you will not get helped for solving the problem. Do not drive the car with the problem. It may be serious for you. However, fix the car engine with the automobile engineer and it can be fixed at least price.