The engine should keep unfixed and do not drive the car with the problematic car engine. The engine P1281 Code is found for the testing the car engine. It becomes easier to know the problem and find out the location of the car engine problem. When the car engine is necessary to fix, use the meaning of the car engine code. You must allow the meaning of the code what is right and it is car manufacturer’s meaning. Due to use of the wrong meaning of the code, you may get more difficult problem in the car engine. So, use the real meaning of the car engine code only.