idle problem up and down

  1. Regular Poster Joined: Dec 2010 lancashire Posts: 251 saxo vts
    #1
    when i start the car first thing it starts and runs perfect then when it warms up the car idles up and down abit,on tickover but if you blip the throttle it goes but comes back later on.it only does it on tickover and when i set of it holds back then the power kicks in again.runs perfect on motorway and never missis a beat.and most times it runs perfect it just does it now and again on tickover.could it be the icv sensor as tried the coilpack and its not that.any help thanks ste
  2. Regular Poster Joined: Dec 2010 lancashire Posts: 251 saxo vts
    #2
    no one
  3. Newbie Joined: Dec 2010 lancaster Posts: 12 97 vts, 98 vtr, 99 vtr
    #3
    try having a look in the throttle body, sometimes get cloged up with crap which will stop the butterfly shuting properly if its not that then its more than likly gona be the icv like u said