Learn about the car engine code before solving the car engine. The car engine code can be found only by the car engine test by engine code reader. The car engine P2216 Code’s meaning is very important thing and if the right meaning of the code is not found, the problem of the car engine can be very serious or the problem of the car engine can be unfixed. Solve the car engine problem as soon as possible. Otherwise, you may get more new problem in the car engine and it may be more difficult and expensive to solve. So, you should not try to check and solve the problem in your place.