The engine P0874 Code is a common code for the car engine. This code carries information of the car engine and by this meaning of the code, you can easily know about the problem. The meaning of the car engine is found in the car engine manual and you need to find the real meaning of the code by the name of the car and manufacturer. That is why, you should be careful. Otherwise, you may get new problem in the car engine. Solve the car engine flawlessly and if you cannot fix the problem, you must ask the car engineer to fix the car engine problem.