Engine codes Help

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  • Dingo
    S2Forum Addict
    • Jan 2008
    • 229
    • Country: England

    #1

    Engine codes Help

    Just done a routine code reading on my car and its thown up 2 codes
    00537 oxygen sensor control
    00561 mixture adjustment control
    erased them, took it for a spin and they havnt come back, I will keep my eye on the codes over the next few weeks but what do they mean ?
    Is something on its way out ?
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    Typically those codes relate to a leak in the boost hose between the turbo and the throttle body. Less air is showing up at the engine than the MAF told the ECU was on the way.
    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

    Comment

    • Dingo
      S2Forum Addict
      • Jan 2008
      • 229
      • Country: England

      #3
      Ok thanks, will do a boost leak test on it sometime this week.

      Comment

      • UrS4boy
        S2Forum Obsessed
        • Feb 2006
        • 11859
        • Country: Canada

        #4
        Originally posted by Dingo
        Ok thanks, will do a boost leak test on it sometime this week.
        If it isn't a boost leak, then the next suspect really is the G39 O2 sensor.

        The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums
        RS2'd 93 UrS4 5 spd sedan
        94 UrS4 V8 6 spd manual avant

        Comment

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