The engine P273B Code has some meanings but without getting the right meaning of the code, you should not take any step for solving the car engine. If you allow automobile meaning of the code, you will not get good solution of the car engine. Every part of the car engine has a meaning and that meaning is found from online. Do not follow wrong meaning of the code what may make terrible problem in the car engine. However, if you do not know the process of solving the car engine, you should not take any attempt for solving the car engine.