2342 lambda CODE 7A

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  • AUDI COUPE 20V
    S2Forum Addict
    • Nov 2005
    • 251
    • Country: United Kingdom

    #1

    2342 lambda CODE 7A

    I keep geting this code regarding lambda sensor i have tested the sensor and its switching when you rev it between lean and rich ? my car is de catted don't know if that makes a difference?

    2342
    Oxygen sensor
    - Emissions not within specs
    - oxygen sensor goes open loop Oxygen sensor has open or short circuit
    Check oxygen sensor and wiring
  • mcandmar
    S2Forum Zealot
    • Apr 2004
    • 5118
    • Country: Ireland

    #2
    I would say dodgy wiring, i've never seen O2 sensors give ecu errors they just run too rich and the car dosent go right. De-Cat dosent make any difference, the sensor is before the cat.
    91CQ20v - Gone to a new home
    93UR-S4 - The Magic Carpet
    94S2Bus - The Emerald Express

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    • Mikes2
      S2Forum Extremist
      • Jul 2003
      • 1704
      • Country: Scotland

      #3
      Could be the fuse
      Mike

      http://www.s2-audi.co.uk

      Comment

      • AUDI COUPE 20V
        S2Forum Addict
        • Nov 2005
        • 251
        • Country: United Kingdom

        #4
        what about emmision adjustments?

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