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Engine Controls - Surge/Hesitation/T/C Cycling/A/C Perf.

TSB 06-17-13

09/04/06

CALIBRATION UPDATE 4.0L - VARIOUS
SYMPTOMS - SURGE, HESITATION, TORQUE
CONVERTER CYCLING, NO UP SHIFT AFTER A
FORCED DOWNSHIFT, AND POOR A/C
PERFORMANCE

FORD:
2006-2007 Explorer
2007 Explorer Sport Trac

MERCURY:
2006-2007 Mountaineer

ISSUE
Some 2006-2007 Explorer 4dr/Mountaineer and 2007 Sport Trac vehicles equipped with a 4.0L engine may exhibit a surge at steady speeds, transmission torque converter clutch cycling or hanging in a lower gear after a forced downshift during cruise control operation when operated in high ambient conditions. In addition, these vehicles may exhibit a cold hesitation/surge, engine fan noise and/or varying A/C discharge temperatures "ONLY" during low vehicle speed intermittently.

ACTION
Reprogram the powertrain control module (PCM) to the latest calibration using IDS release B43.16 and higher or B44.8 and higher. This new calibration is not included in the B44 CD. Calibration files may also be obtained at website.

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage

OPERATION DESCRIPTION TIME

061713A 2006-2007 0.4 Hr.
Explorer/Mountaineer, 2007
Explorer Sport Trac 4.0L:
Check Diagnostic Trouble
Codes And Reprogram
The PCM (Do Not Use
With 12650D)

DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 04





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