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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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Old Tue, June 22nd, 2010, 12:18 PM
dnkrm dnkrm is offline
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I have the same issue on occasion running the gryphon with an 89 custom tune on my 06 5.4. I had other issues in the past with the tune and Bill was able to fix most of them but this issue is still ongoing. I have not removed the tune lately to see if it does it stock but I probably should at some point.

thanks
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