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| 2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#21
Tue, March 31st, 2009, 08:55 PM
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So on my way home from work i decided to try something
I put the gryphon into level 2 programming (since that is a canned tune still) The truck shifted to O/D immediately at 45 mph and felt like how it was before. The custom tune must have been loaded and causing this problem- its locked until 55mph Bill is there something you can do to fix this for me 
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2006 F-150 FX4 Dark Shadow Grey 
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