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when i come to a stop, occasionally my rpms will drop to about 500rpm, and it will either kick back up or die. whats up with this? just replaced the plugs, coil packs, and fuel filter. its been doing it before the tune up as well. thanks guys
 

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IAC was replaced on 5/07. shouldnt have gone bad this fast should it?
I have seen them go faster than that. Check for vacume leaks. If you don't find any get a IAC from Ford. Oh, I forgot. Some times the IAC transfer function can learn some bad info. Un hook the battery for a few minutes to reset the computer. Its a long shot but I have seen it work.
 

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I have seen them go faster than that. Check for vacume leaks. If you don't find any get a IAC from Ford. Oh, I forgot. Some times the IAC transfer function can learn some bad info. Un hook the battery for a few minutes to reset the computer. Its a long shot but I have seen it work.
i second that
 

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What mods do you have? Are you tuned? Did this issue start randomly, or after an event that you remember (new part install, extra cold day, etc).
 
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