The engine P1870 Code is detect after checking the car engine and it is important to know the code and meaning it for accessing the car engine. Do not use wrong meaning of the code for solving the car engine what may make terrible problem in the car engine. The powertrain is located here faulty and it needs to solve to drive the car properly. The car engine should be fixed as soon as possible if you want to drive the car. Engine problem is a serious problem and it is easy to solve. You must take help from an automobile engineer to fix the car engine.