Quote:
Originally Posted by 08F150
My 08 did the same thing with the canned tunes. I still have an issue with surging on tip in more noticable in 3rd. It does it even with the stock tune. I will try to get a hold of Bill next week to give a more detailed description of the issue. Must be something with 08 with the latest calibration. Almost feels like it runs lean on tip in.
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That sucks
on the stock tune ,,mine only had a problem after the dealer reflashed..pinging valves on tip in. If i ran e-85 in it the problem would go away for while ,,, by chance is yours a flex fuel ??,,do you have custom tunes yet ??? good luck on it getting fixed HH
