2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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Location: PA to KY ('07) to IL ('09) to MS ('10) to FL ('11)
Are you stock? How many miles on the plugs? When was the last time you ran a fuel system cleaner?
I'd start off with cleaning the TB. If that doesn't resolve it, run a tank or 2 with the proper mix of SeaFoam or Techron (I prefer SeaFoam if I suspect an issue and I run Techron as Preventive Maintenance at every oil change or 10k miles, whichever comes first). Next I'd try the throttle recalibration procedure described in your OM.
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