Mustang and Ford Performance Forums banner
1-1 of 1 Results
  1. 1996 - 2004 Mustang GT
    I have a 1999 GT and I am having really bad idle surges when the AC is on and I come to a complete stop. The idle is fine when I have the AC on and the car is in in traffic...the idle surges from 300rmp to about 1400rmp and does this for the duration of time that I am stopped....sometimes it...
1-1 of 1 Results