The engine may have different problems but you can get idea about the car engine problem by a test. The car engine P1549 Code is found from the car engine by the test. The powertrain is faulty here and this problem is not very tough to fix. The valves of each cylinders may have several problems and it needs to fix if you want to make the car engine properly running. The engine code’s meanings lets you know about the problem. If you do not know the process of solving the car engine, do not try to fix the car engine.