This engine P1616 Code is found from the car engine. The meaning of the car engine code is important thing and you should find the right meaning of the code. The right meaning of the code is found from the car manufacturer only. Online, you will get several meanings but you must look for the right meaning of the code what is provided by the car manufacturer according to the brand of the car. Do not use automobile dictionary meaning of the code, if you have the correct meaning of the car engine code. The automobile dictionary meaning is found online for free.