Platinum Spark Plugs - Identification/Location

Article No.
94-2-8

01/26/94

^ IGNITION SYSTEM - ELECTRONIC IGNITION (EI) PLATINUM ENHANCED SPARK PLUGS - 1.9L, 2.3L OHC (TPH), 3.8L, 4.0L ENGINES

^ ENGINE - 1.9L, 2.3L OHC (TPH), 3.8L, 4.0L - PLATINUM ENHANCED SPARK PLUG LOCATIONS

FORD:
1994 ESCORT, MUSTANG, THUNDERBIRD

LINCOLN-MERCURY:
1994 COUGAR, TRACER

LIGHT TRUCK:
1994 AEROSTAR, EXPLORER, RANGER

ISSUE:
Three (3) different unique styles of platinum enhanced spark plugs are produced for vehicles with Electronic Ignition (EI). Each style is distinguished by their part number suffix letters.

^ The suffix letter "P" indicates the center electrode is enhanced with platinum.

^ The suffix letter "PG" indicates the ground (side) electrode is enhanced with platinum.

^ The suffix letter "PP" indicates double platinum enhancement on both the ground (side) and center electrode.





ACTION:
If a spark plug is removed for examination, it must be reinstalled in the same cylinder. If a spark plug needs to be replaced, use only spark plugs with the service part number suffix letter "PP" as shown on the engine decal. Refer to the following Platinum Enhanced Spark Plug Replacement Chart for correct parts usage.

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY

OASIS CODES: 490000, 499000, 623000, 690000