Rough idle

  1. #1
    Alright chaps sold my mk 1 vtr and went to look at a mk 2 one today clean car but i noticed the car revs bouncing up and down and the engine management light was on any ideas what it could be? also goin to look at a mk1 vts tmro see what she is like
  2. #2
    Idle control valve possibly.

    Steve.