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05-17-16
  • DTC P0488 AND/OR P1334 WITH NO DRIVEABILITY SYMPTOMS, HARSH SHIFT AND/OR TRANSMISSION ENGAGEMENTS
Publication Date: August 23, 2005

FORD:
2004 F-Super Duty
2004-2005 Excursion

ISSUE:

Some 2004 F-Super Duty vehicles built after 9/29/2003 and 2004-2005 Excursion vehicles built 9/29/2003 through 1/10/2005, all equipped with the 6.0L engine, may exhibit any of the following:

  • Diagnostic trouble code (DTC) P0488 and/or P1334 with no driveability symptoms
  • Exhaust smoke while operating in elevated idle operation/PTO, charge protect, or cold idle kicker mode
  • Harsh 3-2 grade load braking downshifts in Tow/Haul mode due to shift initiating on boost pressure
  • Shift busyness in Tow/Haul mode
  • Harsh lock-up during the 5-6 shift
  • Harsh 3-5 upshift during light throttle acceleration

....


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