Important! : help needed with my ecu light!

  1. Newbie Joined: Feb 2010 Posts: 3
    #1
    hello everyone i have purchased my first saxo a month ago now it is a 2002 55000m vtr 1.6 8v once owning it for 1 week i had the valve clearence adjusted as they were really rattly once done i started it up to find that it didnt run as good as it used to the idle was really rough then the engine management light came on i took it to the garage where it is under warranty they said it came up with idle control valve . they replaced the plugs and air filter and said they adjusted the idle control valve which i knew they couldnt with them been a sensor.since a new light has come on ADDAPTION MIXTURE CONTROL the garage are puzzled and so am i its just had a brand new cat on as citroen said it could be that but still the engine management light has come on can anyone please help me and could all this be due to adjusting the valve clearence i know they have been corecctly adjusted with the right clearence 0.20 inlet 0.40 exhaust i need help the garage just keep fobbing me of and the idle still has a slight miss to it when on tick over
  2. Saxperience Hardcore! Joined: Dec 2007 smurfland. Posts: 17346 Ex saxo owner.
    #2
    Did they not reset the ecu?

    Steve.
  3. Newbie Joined: Feb 2010 Posts: 3
    #3
    hi steve thanks for seen my post i dont think they reset the ecu what would they need to do clear the fault then disconnect the battery to reset the ecu?