Mystique V6-153 2.5L DOHC VIN L SFI (1999)
Catalytic Converter: All Technical Service Bulletins
Engine Controls - MIL ON/DTC's P0420/P0430 Set
Article No.
04-10-4
05/25/04
DRIVEABILITY - MALFUNCTION INDICATOR LAMP
(MIL) ILLUMINATED - DIAGNOSTIC TROUBLE CODES
(DTC'S) P0420 AND/OR P0430 - 2.5L ENGINE ONLY
FORD:
1999-2000 CONTOUR
MERCURY:
1999-2000 COUGAR, MYSTIQUE
ISSUE
Some 1999-2000 Contour/Mystique/Cougar vehicles equipped with the 2.5L engine may exhibit a malfunction indicator lamp (MIL) illuminated with
diagnostic trouble code(s) P0420 (Catalyst System Efficiency Below Threshold - Bank 1) and/or P0430 (Catalyst System Efficiency Below Threshold -
Bank 2).
ACTION
To service reprogram the powertrain control module (PCM) to the latest calibration using WDS release B31.4 or higher. Replacement of catalysts is no
longer necessary to address the most common causes of this condition.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage
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