PCM - Stall/Stumble During Cold Engine Deceleration

Article No.
98-6-10

03/30/98

STALL - STALLS ON DECEL WHILE ENGINE IS
COLD - VEHICLES EQUIPPED WITH 4.0L ENGINE
AND MANUAL TRANSMISSION

LIGHT TRUCK:
1996 EXPLORER

CALIBRATION:
6-57B-R10, 6-57R-R10

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

ISSUE:
Some vehicles may experience a stall and/or stumble during a cold engine decel. This may be caused by the Powertrain Control Module (PCM) calibration.





ACTION:
Follow normal diagnostic procedures and reprogram the PCM. The revised calibration should reduce the possibility of a stall/stumble. Refer to the following PCM Cross Reference Chart for correct calibration 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

OPERATION DESCRIPTION TIME

980610A Perform Normal 0.6 Hr.
Diagnostics And
Reprogram Powertrain
Control Module (PCM)

DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 42

OASIS CODES: 607000, 607700