The P242C Code is related with the car engine and fixing the car engine is important for running the car safely. Do not drive the car with the car engine problem. Do not try to solve the car engine by yourself if you are unable to solve the car engine. Meaning of the engine code is necessary thing and if the real meaning of the code is not found, do not apply any meaning of the code. Due to using wrong meaning of the code, the car engineer may face terrible problem in the car engine what may difficult to solve the car engine problem.