Taurus V6-3.0L VIN 2 Flex Fuel (1997)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
PCM - Power Shuffle/Surge Between 45 and 60 MPH
Article No.
98-13-7
07/06/98
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POWER SHUFFLE AND/OR SURGE - BETWEEN 72
AND 96 KM/H (45 AND 60 MPH) - VEHICLES WITH
3.0L 2-VALVE ENGINE
^
SURGE - VEHICLES WITH 3.0L 2-VALVE ENGINE
FORD:
1996-97 TAURUS
LINCOLN-MERCURY:
1996-97 SABLE
CALIBRATION
Refer to the Recalibration Cross Reference Chart in this TSB article for affected calibrations.
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 vehicle may surge or exhibit a powertrain shuffle between the speeds of 72-96 km/h (45-60 mph). This may be caused by vehicle system resonance.
ACTION
Reprogram the Powertrain Control Module (PCM) using the latest level update CD-ROM calibration disc. Refer to the Service Procedure and
Recalibration Cross Reference Chart for correct PCM calibration.
SERVICE PROCEDURE
NOTE
ONLY APPLY THIS CHANGE FOR THE SURGE/SHUFFLE SYMPTOM. CUSTOMERS MAY EXPERIENCE APPROXIMATELY A 1 MILE
PER GALLON FUEL ECONOMY LOSS AND AN INCREASE IN ENGINE NOISE/VIBRATION BECAUSE OF INCREASED RPM.
1.
Reprogram the PCM using the latest level CD-ROM.
NOTE
THERE WAS A CATALYST CHANGE IN THE MIDDLE OF THE 1997 MODEL YEAR ON 49-STATE VEHICLES ONLY. THIS CHANGE
OF CATALYSTS AFFECTS THE CALIBRATIONS. THE TWO DIFFERENT CATALYSTS ARE ENGLEHART AND JMI. IT IS CRITICAL
THAT YOU GET THE CALIBRATION NUMBER AND THE PCM TEAR TAG NUMBER BEFORE UPDATING THE PCM CALIBRATION.
