Explorer 2WD V6-245 4.0L (1994)
Spark Plug: Technical Service Bulletins
Platinum Spark Plugs - Identification/Location
Article No.
94-2-8
01/26/94
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IGNITION SYSTEM - ELECTRONIC IGNITION (EI) PLATINUM ENHANCED SPARK PLUGS - 1.9L, 2.3L OHC (TPH), 3.8L, 4.0L
ENGINES
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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.
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The suffix letter "P" indicates the center electrode is enhanced with platinum.
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The suffix letter "PG" indicates the ground (side) electrode is enhanced with platinum.
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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
