Intrepid V6-3.2L VIN J (1998)
Catalytic Converter: Customer Interest
Catalytic Converter - MIL ON, DTC P0420 Set
NO: 18-29-98
GROUP: Vehicle Performance
DATE: Aug. 21, 1998
SUBJECT:
MIL Illuminated DTC "Catalyst Efficiency Failure" (P-0420)
MODELS:
1998 - 1999 (LH) Concorde/Intrepid/LHS/300M
NOTE:
THIS BULLETIN APPLIES TO VEHICLES BUILT BEFORE MAY 27, 1998 (MDH 0527XX).
SYMPTOM/CONDITION:
Malfunction Indicator Lamp (MIL) illuminated with a "Catalyst Efficiency Failure" Diagnostic Trouble Code (DTC P-0420) recorded in the Powertrain
Control Module's (PCM).
DIAGNOSIS:
Using the Diagnostic Scan Tool (DRB III(R)) with the appropriate Diagnostic Procedures Manual, verify all engine systems are functioning as designed.
If DTC's other than "Catalyst Efficiency Failure" are present, record them on the repair order and repair as necessary before proceeding further with this
bulletin. If the diagnostic procedures indicate oxygen sensor replacement, perform the Repair Procedure (do not replace oxygen sensor).
PARTS REQUIRED:
AR(1)
04581704AH
Catalytic Converter, 2.7L Federal, Right
AR(1)
04581705AH
Catalytic Converter, 2.7L Federal, Left
AR(1)
04581706AH
Catalytic Converter, 2.7L California, Right
AR(1)
04581707AH
Catalytic Converter, 2.7L California, Left
AR(1)
04581700AH
Catalytic Converter, 3.2L/3.5L Federal, Right
AR(1)
04581701AH
Catalytic Converter, 3.2L/3.5L Federal, Left
AR(1)
04581702AH
Catalytic Converter, 3.2L/3.5L California, Right
AR(1)
04581703AH
Catalytic Converter, 3.2L/3.5L California, Left
2
04581013AC
Clamp, V-Band
REPAIR PROCEDURE:
This bulletin involves replacing the catalytic converters.
1.
Replace both catalytic converters as described on page 11-5 of either the 1998 Concorde/Intrepid Service Manual (Publication No. 81-270-8140)
or the 1999 Concorde/Intrepid/LHS/300M Service Manual (Publication No. 81-270-9140).
NOTE:
THE FOLLOWING STEPS ARE REQUIRED BY LAW.
