Solve the car engine problem according to the right meaning of the engine code. The meaning of the car engine P2093 Code is found from various sources and the right meaning is from the car engine manufacturer. Identify the exact cause of the engine problem and for reason, you need to test the car engine all ways. The problem may start from a small but critical, a spark plug makes the car move. Its function is to ignite the beaten fuel in the engine. A worn spark plug will reason a weak spark. It may even stop ignition completely, or reason ignition at the incorrect time.