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Lambda sensor intermittent fault code

Discussion in 'A3/S3 Forum (8L Chassis)' started by 1animal1, Nov 21, 2010.

  1. 1animal1
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    1animal1 The Clar!! it mouves!!! VCDS Map User

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    [Nov 21, 2010]
    as above chaps, keeps throwing the engine management light on (happened twice now in two weeks)...will this affect the MOT due next month? also i'm guessing its more than likely a straight replace item once some poor sod has got it out...it says in the fault log, pre CAT if that helps?

    Also any other issues i'm likely to suffer?

    VCDS-Lite Version: Release 1.0
    Sunday, 21 November 2010, 18:47:24:0
    Control Module Part Number: 8N0 906 018 BH
    Component and/or Version: 1.8L R4/5VT 0001
    Software Coding: 10710
    Work Shop Code: WSC 14132
    Additional Info: WAUZZZ8L121014466 AUZ7Z0A2015117
    2 Faults Found:
    17524 - Oxygen (Lambda) Sensor Heating; B1 S1: Open Circuit
    P1116 - 35-10 - - - Intermittent
    17511 - Shareware Version. To Decode all DTCs
    P1103 - 35-10 - Please Register/Activate - Intermittent


    chars :)
    #1
  2. Prawn
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    Prawn My other car is a MINI!!!!

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    [Nov 21, 2010]
    wierd man. This on the A3 or S3?

    I know if the sensor heating fails it'll effect it. Perhaps worth checking the wiring connection, and if it's OK, look at a new sensor perhaps.
    #2
  3. 1animal1
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    1animal1 The Clar!! it mouves!!! VCDS Map User

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    [Nov 21, 2010]
    mechanic i know says its fine for emissions if its just the heater which this seems to be...... interesting conflict here mate.

    It's going into Audi tomorrow for the roof to be done and i've cleared the fault, hopefully it will surface again and i can blame them :) (they have to drive it all the way across the city to the bodyshop ;) )
    #3
  4. finesse
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    finesse Active Member VCDS Map User

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    [Nov 21, 2010]
    B1 S1 is the pre cat sensor

    I got my lambda replacement from ECP



    [​IMG]
    Last edited: Nov 21, 2010
    #4
  5. finesse
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    finesse Active Member VCDS Map User

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    [Nov 21, 2010]
    #5
  6. 1animal1
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    1animal1 The Clar!! it mouves!!! VCDS Map User

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    [Nov 21, 2010]
    cheers John.....its on the underside of the mani on ours though isnt it.....think ill chuck it to my trusty neighbour as he'll have a ramp and hot spanners in necessary.

    looks so much easier on the 1.6 engine :)

    i gather this wont harm the car?
    #6
  7. finesse
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    finesse Active Member VCDS Map User

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    [Nov 21, 2010]
    errrmmm I was "told" that it can affect the catalyst

    I don't know how,

    anyway it will affect your fuelling for sure
    #7
  8. 1animal1
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    1animal1 The Clar!! it mouves!!! VCDS Map User

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    [Nov 22, 2010]
    yeah it will be the same as if the SAI was taken off the early models, think it burns excess fuel to stop it hitting the CAT and destroying it from cold (as they CAT isnt at its operating temp)
    #8
  9. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Nov 22, 2010]
    I changed mine about 2 years ago...Was a pain until i borrowed the correct spanner
    #9
  10. Welly
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    Welly VX220 SC Driver :)

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    [Nov 22, 2010]
    Yeah, it is a bit of a bitch to get to, but do-able. Access is much easier with the rear charge pipe support removed. Changed mine twice now... lol.

    I always use my trusty adjustable.
    #10
  11. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Nov 22, 2010]
    Ive changed mine twice too, Turns out i forgot to clear the code... sensor was fine.
    silly mistake
    #11
  12. 1animal1
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    1animal1 The Clar!! it mouves!!! VCDS Map User

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    [Nov 22, 2010]
    cheers chaps....Paul what did you do with the spare sensor :)
    #12
  13. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Nov 22, 2010]
    Put it in the box marked "spares" lol
    #13
  14. finesse
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    finesse Active Member VCDS Map User

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    [Nov 22, 2010]
    thought its just me not throwing parts away.........
    #14
  15. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Nov 22, 2010]
    If only i did throw stuff away. would have an empty flat/shed and unit.
    #15
  16. 1animal1
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    1animal1 The Clar!! it mouves!!! VCDS Map User

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    [Nov 23, 2010]
    you taking offers for any of that trash :)
    #16

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