PCM - MIL ON/Misfires

Article No.
98-8-4

04/27/98

MALFUNCTION INDICATOR LAMP (MIL) - MIL
ILLUMINATED - MISFIRES AT HIGH ENGINE RPMS
DURING ENGINE WARM UP - VEHICLES EQUIPPED
WITH 3.0L 4-VALVE ENGINE AND AX4N TRANSAXLE

FORD:
1997 TAURUS

LINCOLN-MERCURY:
1997 SABLE

CALIBRATION

7-14A-R06, 7-14A-R10, 7-14S-R06, 7-14S-R10

WARNING
THIS MODIFICATION IS AUTHORIZED ONLY FOR THE LISTED ENGINE(S). PERFORMING THIS MODIFICATION ON OTHER ENGINE CALIBRATIONS IS UNAUTHORIZED AND COULD CREATE LIABILITY UNDER APPLICABLE FEDERAL OR LOCAL LAWS.

ISSUE
The Malfunction Indicator Lamp (MIL) may illuminate for misfires at high engine rpms during engine warm up. The vehicle may also exhibit brief engine miss and/or roughness. These conditions usually occur at highway speeds after a 4-2 downshift and acceleration to 6000 rpms.





ACTION
Perform normal diagnostics and reprogram the Powertrain Control Module (PCM). The revised calibration should reduce the possibility of these concerns. Refer to the PCM Cross Reference Chart for correct PCM usage.

NOTE
PCM REPLACEMENT IS NOT AUTHORIZED BY THIS TSB. REFER TO THE POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS (PC/ED) SERVICE MANUAL FOR APPROPRIATE DIAGNOSTIC PROCEDURES IF PCM HARDWARE CONCERNS EXIST.





Obtain an Authorized Modification Decal (FPS 8262 - obtainable through DOES II, 25/pkg) and list the date, dealer number, and summary of modifications performed. Select a prominent place adjacent to the Vehicle Emission Control Information Decal suitable for installing the Authorized Modifications Decal. Clean the area, install the decal, and cover it with a clear plastic decal shield.

OTHER APPLICABLE ARTICLES: NONE

WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage And Emissions Warranty Coverage

OPERATION DESCRIPTION TIME

980804A Reprogram Powertrain 0.6 Hr.
Control Module (PCM)

DEALER CODING
CONDITION
BASIC PART NO. CODE
RECALEM 42



OASIS CODES: 206000, 608000, 608500, 609000, 609500, 614500, 698298