Emission Control System Information

Manufacturers must use a standardized system for identifying their individual engine families. The system described below was developed by the Environmental Protection Agency (ERA) in 1991 to meet new regulatory requirements for 1994 and later model years.

EVAPORATIVE FAMILY NAMES (12 CHARACTERS):

EPA STANDARD ENGINE FAMILY NAME (12 CHARACTERS):

The ENGINE FAMILY name and EVAPORATIVE FAMILY name consists of 12 characters each.

Both the engine family name and the evaporative family names are listed in the box on the emission decal in the area marked as engine/evaporative family information. The lines contain the engine size and the evaporative family name (12 characters).

TABLE 1 - SUBCODES FOR MODEL YEARS:

TABLE 2 - SUBCODES FOR MANUFACTURERS:

TABLE 3 - VAPOR STORAGE SYSTEM:

Canister Work Capacity:

TABLE 5 - CANISTER CONFIGURATION AND PURGE CONTROL:

TABLE 6 - FUEL SYSTEM:

Fuel Tank Material:

Standards:

TABLE 9 - Engine Displacement Characters 4,5 And 6:

TABLE 10 - Vehicle Class:

TABLE 11 - FUEL METERING AND NUMBER OF VALUES PER CYLINDER:

TABLE 12 - COMBUSTION CYCLE AND FUEL TYPE:

TABLE 13 - STANDARDS:

TABLE 14 - CATALYST/TRAP: