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Home >> Lincoln >> 2003 >> Aviator AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 448 (Identification Codes) >> Description And Operation >> Identification Codes >> Vehicle Certification (VC) Label Reference >> Unique Calibration

Unique Calibration

WARNING: This page is about a different car, the 2004 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

The Emission/CAFE/CO2 Compliance Department is responsible for assigning these calibration numbers. Unique calibration identifications are assigned to cover similar vehicles to differentiate between tires, drive configurations, final drive ratios and other certification-significant factors.

These two characters are chosen by the analyst to provide easily identifiable information unique to each calibration (for example, using the number 2 to denote a two-valve engine versus the number 4 to denote a four-valve engine).

Fleet Code 

Certification Region 

Revision Level (not printed on label)