When the car is not working well or getting some noise from the car engine, then the car engine should be checked. The engine P3471 Code may help for solving the car engine. However, the car engine code is found for the car engine test. Do not use wrong meaning of this code. The car engine should be solved as soon as possible. An automobile engineer will find the root problem and find the actual meaning of the code to know the problem. Every problems of the car engine should be fixed. Do not face any more trouble in the car engine doing anything wrong.