I have had this problem recurring for about two years and over 40000 miles. At first it occurred rarely but when it became frequent I took it to the shop. The code indicated the throttle position sensor so I had that replaced - I think it is part of the gas pedal assembly. The problem immediately came back. Then I had the computer reprogrammed ('reflashed') and that helped for a number of months but then the problem started returning - slowly at first but again developing more frequently. Sorry, that is all I know at this time as I am getting ready to take my 2005 Mustang (6 cylinder, manual trans) to the shop again for a second try. Let me know if you have found anything out since you posted.
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Thursday, November 6th, 2008 AT 8:43 PM