'07 Sport Trac V6 - Intermittent surging | Ford Explorer Forums

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'07 Sport Trac V6 - Intermittent surging

Magee

New Member
Joined
July 8, 2018
Messages
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City, State
West Milford, NJ
Year, Model & Trim Level
'07 Sport Trac Limited V6
Intermittent surging especially when accelerating after slowing to make a turn. Seems to be fuel starving. Have changed fuel and air filters, MASS air sensor, throttle body ($$$), - thanks to the expertise of my local Ford Dealer. Over a Thousand dollars and problem not fixed.
Any ideas?
 



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any Check engine lights? check/reset the gravity/fuel cut off switch.
check the TSB for Pcm/TCM flash
i have a bad N-1 1-2 hard shift in stop and go but that is one of those quirky explorer things il probably get the PCM flashed next time i go to a dealer for trans flush.
 






No Check engine lights or error codes. Not familiar with Gravity/fuel cut off switch, will do some research and reset it. Ditto for TSB's - dealer told me none but will verify.
Thank you for your thoughts and guidance.
 






dug this offline real fast. sorry its pretty broad. wont hurt to ask them to just check if theres an update available next time your in for service,

* i had a shuttering/ gear slip/slam accelerating around 50-70mph. it was the torque converter not locking up.

TSB 07-23-2
11/26/07
6R60 TRANSMISSION EQUIPPED VEHICLES ONLY -
BUMP WHILE BRAKING - BELOW 10 MPH (16 KM/H),
DELAYED ENGAGEMENT, HESITATION ON TIP-IN
AFTER BRAKING FORD:
2006-2008 Explorer
2007-2008 Explorer Sport Trac MERCURY:
2006-2008 Mountaineer This article supersedes TSB 07-13-8 to update the Service Procedure.
ISSUE
Some 2006-2008 Explorer 4dr, Mountaineer and 2007-2008 Explorer Sport Trac vehicles equipped with 6R60 transmission may exhibit a bump feeling while braking to a stop less than 10 MPH (16 Km/h). Some vehicles built prior to 05/4/2006 may exhibit the following symptoms:
This fixes the bump while braking to a stop, improves the delayed engagements and reduces the incidence of tip-in hesitation while accelerating from a stop.
ACTION
Follow the Service Procedure steps to reprogram the transmission control module (1CM) and the powertrain control module (PCM). Some tip-in hesitation is normal on this transmission in order to provide smooth operation. This calibration update will help to improve the condition. The harsh bump while braking to a stop will be eliminated. Several days of driving may be required for the transmission to fully adapt. SERVICE PROCEDURE
NOTE DO NOT ATTEMPT TO REPLACE THE MECHATRONIC UNIT. MECHATRONIC REPAIR/REPLACEMENT IS NOT AUTHORIZED FOR THIS ISSUE.
Update the PCM and TCM calibration using IDS release 51.8 and higher or 52.1 and higher. Calibration files may also be obtained at the website. Since the TCM cannot be independently reprogrammed, reprogram the PCM to ensure that engine and transmission calibrations are updated to the latest level simultaneously.
NOTE FOR PDS, RESET 1CM KAM IS NOT THE SAME AS CLEAR TRANSMISSION ADAPTIVE TABLES, WHICH IS UNDER THE POWERTRAIN - TRANSMISSION MENU TREE. NOTE UNHOOKING THE BATTERY WILL NOT CLEAR THE TCM KAM. NOTE DO NOT CLEAR THE PCM KAM.
Verify that the transmission fluid temperature (TFT) PID is above 175°F (80°C). If it is not at 175°F (80°C), drive unit approximately 3 miles (5 Km) to reach temperature.
Accelerate from rest with light throttle. The 1-2, 2-3, and 3-4 shifts must occur at engine speeds between 1300-1800 RPM.
Continue to accelerate gently to 50 MPH (80 Km/h) so that the transmission shifts into 6th gear.
Brake gently to a complete stop and hold foot on brake for at least 15 seconds.
Repeat Steps (a-c) a total of five (5) times
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT : Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME

072302A 2006-2008 Explorer, 0.9 Hr.
Mountaineer 2007-2008
Explorer Sport Trac 4.6L
6R60 Transmission: Check
DTCs, Reprogram The
PCM And TCM, Includes
Time To Clear KAM And
Perform Road Tests (Do
Not Use With 12650D) DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 04
 






My Sport Trac is the v6 which has the 5 speed trans. Will double check for any TSB's regardless.
Thanks again for your help.
 






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