This car engine P2900 Code is found from your car engine after the car engine is tested. If you want to solve the car engine problem, meaning of the code is important thing. However, if you do not get the real meaning of the code, you may use automobile dictionary meaning for solving the car engine. You can get the general meaning of the code from online and that is also useful for solving the car engine problem. Do not drive the car if you keep the car engine unfixed or the car engine problem is very general problem. Sooner solving the car engine is better for safe driving.