1999 Gt Mis Fire

Discussion in 'SN95 4.6L Mustang Tech' started by Ate_dat_stang, May 6, 2014.

  1. Hello I need help I have a 99 gt with a mis fire I had all the cool packs change new fuel rails new fuel filters plugs wires and anything I could of thought of to fix a misfire but it's still here I need help thanks guys
  2. Is it a severe miss? Is the check engine light on? Did you pay someone to install all those parts, if so make them fix the miss.
  3. I went to local ford dealership had them in stay everything it was good as new then about a week later it came back I went to ford freaked out got my money back and the cel just came on so I'm bringing it tommorow to check the codes