Concorde V6-201 3.3L VIN T FI (1993)
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Spark Plug: Technical Service Bulletins
Spark Plug - Update for Improved Cold Start
NO: 18-18-95
GROUP: Vehicle Performance
DATE: May 12, 1995
SUBJECT:
3.5L Spark Plugs
MODELS:
1993 - 1995
(LH)
Concorde/Intrepid/Vision/LHS/New Yorker
DISCUSSION:
A new spark plug has been released for all 3.5L engines to improve cold starting. THE NEW PLUG IS P/N 56027275, CHAMPION RC12LYC, .035"
GAP. At this time there are no other spark plugs available for this engine.
Chrysler Modification Label
1995 vehicles built between Oct. 24, 1994 and Feb. 17, 1995 (MDH 10-24-XX thru 02-17-XX) will require reprogramming the Powertrain Control
Module as described in TSB 18-15-95 dated May 5, 1995 to meet Emissions Certification. In all other 3.5L equipped vehicles, the new spark plug may
be used alone without other modifications. You must complete an Authorized Modification Label, P/N 4275086, and install near the VECI label.
Use Change Authority:
1993-1994 Vehicles - TSB 18-29-94
1995 Vehicles - TSB 18-15-95
NOTE:
DO NOT REGAP THE NEW SPARK PLUG, P/N 56027275, TO .050" OR THE OLD SPARK PLUG TO .035".
POLICY: Information Only