Driving a car with engine problem is not a good idea. The engine code U1094 Code comes on the car engine code reader screen. When the car engine code reader cannot check the car engine area, then the engine code reader shows the code of the area. Thus, it is possible to understand the real meaning of the engine problem. There are some symptoms included and it is necessary to identify the car engine problem and find the real cause of the engine problem. Read the car engine manual to find the real cause and solve the problem from the car engine.