The B1470 Code is easy to understand if you have manual and know the name of the manufacturer and model of the car. It seems that the problem code is related with the body of engine. There are different meanings of the code and based on the model and manufacturer, the meaning of the code is changed. The valves of respectively cylinder are saved locked using a pair of arms that change the conservative engine’s roller-type rocker arm. After fixing all of the problem of the engine, you should take a test drive and still you get any problem, then you should check the car and engine again.