Section 03-00: Engine—Service | 1994 Mustang Workshop Manual |
The Safety Certification Decal, mounted on the LH door lock face panel, provides the following information:
A symbol code on the engine identification label, attached to the engine, provides the following information:
Engine decal information is located in Section 03-01A (3.8L) or Section 03-01B
(5.0L).
Safety Certification Decal

Emission Calibration Number Label
The emission calibration number label is located on the LH side door or LH door post pillar. It identifies:
These numbers are used to determine if parts are unique to specific
engines.
Typical Label Shown

Always refer to these labels when:
Engine parts often differ within a CID family. Verification of identification codes will ensure that the proper parts are obtained. The codes contain all pertinent information relating to:
The Ford Master Parts Catalog contains a complete listing of the codes and their application.