Ranger 2WD V6-182 3.0L (1995)
PROM - Programmable Read Only Memory: Customer Interest
Engine - Stumble/Intermittent Misfire/2-1 Bump
Article No.
97-22-9
10/27/97
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MISFIRE - INTERMITTENT AT HIGHWAY SPEEDS -
VEHICLES WITH 2.3L, 3.0L, OR 4.0L ENGINE
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STUMBLE - INTERMITTENT - VEHICLES WITH 2.3L,
3.0L, OR 4.0L ENGINE
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STUMBLE - VEHICLES WITH 2.3L, 3.0L, OR 4.0L
ENGINE
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ENGINE - 2.3L, 3.0L, OR 4.0L - INTERMITTENT
STUMBLE AND/OR INTERMITTENT HIGHWAY
SPEEDS MISFIRE
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TRANSMISSION - 4R5SE-2-1 COASTDOWN
BUMP - 1995 VEHICLES EQUIPPED WITH 4.0L
ENGINE AND 4R55E TRANSMISSION
LIGHT TRUCK:
1995-96 RANGER
This TSB article is being republished in its entirety to include a transmission symptom and additional repair information for the transmission concern.
CALIBRATION:
5-49A-R05, 5-49B-R05, 5-49Q-R05, 5-49T-R05, 5-50A-R05, 5-50T-R06, 6-49A-R10, 6-49B-R10, 6-490-R10, 6-49T-R10, 6-50A-R10, 6-50T-R10,
5-55F-R00, 5-55H-R05, 5-55R-R05, 5-555-R05, 5-56F-R00, 5-56H-R00, 5-56R-R05, 5-56S-R05, 6-55F-R11, 6-55H-R11, 6-55R-R11, 6-55S-R11,
6-56F-R11, 6-56H-R11, 6-56R-R11, 6-565-R11, 5-57H-R06, 5-57S-R06, 5-57T-R06, 5-57F-R06, 5-58F-R06, 5-58H-R06, 5-58T-R06, 5-58S-R06,
5-58U-R06, 6-57H-R11, 6-57S-R11, 6-57T-R11, 6-57F-R11, 6-58F-R11, 6-58H-R11, 6-58T-R11, 6-5SS-R11
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:
An engine stumble and/or intermittent highway speed misfire may be evident on some vehicles. Some 1995 vehicles may feel a slight bump during a 2-1
coastdown shift. These conditions may be caused by the Powertrain Control Module (PCM) calibration.
ACTION:
Reprogram the PCM. For a 1-2 coastdown bump concern, follow normal diagnostics as outlined in the transmission Section of the appropriate Service
Manual. Repair any Diagnostic Trouble Codes (DTCs) present and transmission hardware concerns. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
