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TSB
08-14-3
  • 5.4L 3V / 4R75E ONLY - BUILT BETWEEN 12/4/2006 TO 5/20/2008 - ENGINE RPM FLARE DURING 3-4 UPSHIFT UNDER LIGHT THROTTLE ONLY
Publication Date: June 27, 2008

FORD:
2007-2008 F-150
LINCOLN:
2007-2008 Mark LT

This article supersedes TSB 08-8-11 to add a production fix date.

ISSUE:

Some 2007-2008 F-150 and Mark LT vehicles built between 12/4/2006 to 5/20/2008 and equipped with a 5.4L 3V and 4R75E, may exhibit an engine RPM flare during light acceleration during the 3-4 upshift. This would only occur at road speed ranges from 25-30 MPH (40-48 Km/h). No DTCs or other drivability or transmission issues would be present.

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