fuel management unit.

  1. Tyler122114

    I Think My Mustang Is Running To Rich Please Help Me

    I bought this 1999 mustang GT from a Mexican that didn't speak English. He said that he didn't tune thecar after he put the vortech V-1 supercharger in it. The car seems the be running too rich. Black smoke comes out of the tale pipe. Smells like gas all the time drives rough and floods...