- The engine number is usually located on a stamped metal plate on the engine block.
- It is typically a 17-digit code that begins with the letter "F."
Step 2: Decode the engine number.
- The first digit of the engine number indicates the engine family.
- The second and third digits indicate the engine displacement.
- The fourth and fifth digits indicate the engine type.
- The sixth and seventh digits indicate the year the engine was manufactured.
- The eighth and ninth digits indicate the month the engine was manufactured.
- The tenth and eleventh digits indicate the day the engine was manufactured.
- The twelfth through seventeenth digits are the serial number of the engine.
Here is an example of how to decode a Honda engine number:
Engine number: F23A12345678901
- The first digit, "F," indicates that the engine is a four-cylinder engine.
- The second and third digits, "23," indicate that the engine has a displacement of 2.3 liters.
- The fourth and fifth digits, "A1," indicate that the engine is a turbocharged engine.
- The sixth and seventh digits, "12," indicate that the engine was manufactured in 2012.
- The eighth and ninth digits, "03," indicate that the engine was manufactured in March.
- The tenth and eleventh digits, "15," indicate that the engine was manufactured on the 15th day of the month.
- The twelfth through seventeenth digits, "345678901," are the serial number of the engine.
