Ranger 2WD V6-182 3.0L (1995)
Powertrain Control Module: Customer Interest
Engine - Hesitation/Surge at Cruise/Light Load
Article No.
96-15-12
07/15/96
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HESITATION - AT CRUISING SPEED UNDER A LIGHT LOAD CONDITION WITH ENGINE AT NORMAL OPERATING TEMPERATURE
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SURGE - AT CRUISING SPEED UNDER A LIGHT LOAD CONDITION WITH ENGINE AT NORMAL OPERATING TEMPERATURE
LIGHT TRUCK:
1995-96 RANGER
This TSB article is being republished in its entirety to update the affected calibration list.
CALIBRATION:
5-55F-R00, 5-55H-R05, 5-55R-R05, 5-55S-R05, 5-56F-R00, 5-56H-R00, 5-56R-R05, 5-56S-R05, 5-55F-R15, 5-55H-R15, 5-55R-R15, 5-55S-R15,
5-56F-R15, 5-56H-R15, 5-56R-R15, 5-56S-R15, 6-55F-R10, 6-55H-R10, 6-55R-R10, 6-55S-R10, 6-56F-R10, 6-56H-R10, 6-56R-R10. 6-56S-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 hesitation and/or surge at a cruising speed of about 48-64 km/h (30-40 mph) under a light load condition with the
engine at normal operating temperature. A combination of a high ambient temperature, high humidity and low volatility fuel condition may aggravate the
drive concern.
ACTION:
Use the following service procedure to determine if a new Powertrain Control Module (PCM) with a revised calibration is required. These symptoms can
be improved with a revised PCM.
SERVICE PROCEDURE
1.
Perform the diagnostic procedure in the 1995-96 Powertrain Control/Emissions Diagnosis (PC/ED) Service Manual. Service as required.
