Engine code
Engine code means a unique combination, within an engine-system combination, of displacement, carburetor (or fuel injection) calibration, choke calibration, distributor calibration, auxiliary emission control devices, and other engine and emission control system components specified by the Administrator.
Source
40 CFR § 86.082-2
Scoping language
The definitions of this section apply to this subpart and also to subparts B, D, I, and R of this part.