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Engine - Stall When Stopping/Parking/Coasting/Slow Turns

Article No.
98-25-6

12/21/98

STALL - DURING DECELERATION TO A STOP,
PARKING AND/OR COASTING DURING SLOW SPEED
TURNS - VEHICLES EQUIPPED WITH 3.8L ENGINE

LIGHT TRUCK:
1998 WINDSTAR

This TSB article is being republished in its entirety to update the calibrations affected.

CALIBRATION

8-62J-R11, 8-62J-R12, 8-62J-R17, 8-62J-R18, 8-62J-R21, 8-62K-R11, 8-62K-R12, 8-62K-R17, 8-62K-R18, 8-62K-R21, 8-62P-R05, 8-62P-R17, 8-62P-R18, 8-620-R05, 8-620-R17, 8-620-R18, 8-62S-R11, 8-62T-R11

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
Some vehicles may stall during deceleration when coming to a stop, during slow speed parking maneuvers and/or coasting through slow sweeping turns. This may be caused by the Powertrain Control Module (PCM) calibration dropping the rpms too quickly during deceleration.

ACTION
Reprogram the PCM. The revised calibration will allow the engine rpms to drop slowly during low speed maneuvers to reduce the possibility of stall. Refer to the following Service Procedure.

SERVICE PROCEDURE

1. Perform normal diagnostics as outlined in the 1998 Powertrain Control/Emissions Diagnosis (PC/ED) On-Board Diagnostics II (OBDII) Service Manual and service as required.

2. If the concern is still present, reprogram the PCM using the latest CD-ROM, Service Bay Diagnostic System (SBDS), or New Generation Star (NGS) Tester.





Obtain an Authorized Modifications 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

SUPERSEDES: 98-5-7

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

OPERATION DESCRIPTION TIME

982506A Reprogram Powertrain 0.6 Hr.
Control Module (PCM)

DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 42

OASIS CODES: 607000, 607400, 607600, 607700
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